Index / Round Lab / Birch Juice Moisturizing Sunscreen SPF 50 PA++++
Round Lab

Birch Juice Moisturizing Sunscreen SPF 50 PA++++.

Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++
Sunscreen

About this product

A sunscreen with SPF 50 and PA++++ formulated with hydrating ingredients to provide sun protection.

Full ingredients

Guru Score

90%

Yay

19 experts · Strong agreement
Guru Certified
Broad expert consensus
19Gurus
17Yay
1Mixed
1Nay
#3 in SunscreenSee the ranking →

What they liked

  • Hydrating yet lightweight
  • No white cast
  • Works beautifully under makeup

What they flagged

  • Birch allergen may trigger reactions

What the gurus are saying

This sunscreen feels like a moisturizer while staying lightweight, blending seamlessly without white cast, and the finish adapts to how you apply it: pat for a dewy look or rub for a glassy one. It's especially praised for dry or compromised skin barriers but works well for all skin types. One thing to keep in mind: birch is a common allergen, so patch test first if you have sensitivities.
Synthesized from 19 expert reviews · most recent take September 2026

What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

All takes Yay takes Nay takes Mixed takes Hide sponsored
Yay
"Sunscreen, absolute number one here is Round Lab. Definitely this is I repurchased many many times and recommend many times. And no anybody didn't try it yet, that famous Korean moisturizer feeling sunscreen, please try it out."
Top Pick: sunscreen
All 16 takes from CYoung
I Tested 20 Korean Sunscreens on 4 Hikes. Here’s the Truth.
"This is the sunscreen that started making sunscreen feel like a moisturizer, and it's the most popular, best selling sunscreen here in Korea. Even my random friends who have nothing to do with beauty use it, guys included. It's great before makeup, for all skin types, for all seasons. This one goes to my S tier."
I Spent $4,000 at Olive Young So You Don’t Have To
"Round Lab is part of that popular sunscreen trio, high quality with a very advanced filter, though it's a chemical sunscreen that can sting very sensitive eyes. In Korea it's actually more popular than the global trio, and I recommend it especially for dry mature skin because it's more moisturizing than other products. In winter it's great, but in tropical weather some people will feel a bit greasy."
Viral K-Beauty vs What Koreans Actually Use: Which is better? And Why?
"Compared to Beauty of Joseon, about 30% of the ingredients are similar, and in a blind test I honestly can't tell them apart. Both are great, I love both, just get whatever is on sale, or if you've only tried one of them, try the other, it's great too. Just keep in mind some people are allergic to the ingredients."
Olive Young Top 1–3 Products: Overhyped or Actually Worth It?
"This is the super popular sunscreen that everyone knows. If you haven't tried it, just go for it, it's an amazing K beauty starter. It feels just like an easygoing moisturizer, never gets sticky, and guys can use it too, there's no excuse not to wear sunscreen because the texture feels amazing."
CLICK / Guide To VIRAL K-BEAUTY products (Watch till end BEFORE Buying!)
"This is a brand new sunscreen from Round Lab, in a smaller size than their original, which was already the number one sunscreen at Olive Young. It feels like an amazing primer, like a dessert on my skin, really moisturizing, so it's great as a gift for your mom. But especially for oily combination skin, I feel like this sunscreen makes me more oily, so make sure to reapply, at least at your cheekbones, since you'll get a lot of sun exposure."
I Bought EVERY Best Seller at OLIVE YOUNG & TESTED Them Back to Back
"This is a chemical sunscreen, so if you're lucky, you're good to go, but some people can get stinging in the eyes. If that happens to you, you have to try a mineral sunscreen instead."
Which Is Better? J-Beauty or K-Beauty? | Brutally Honest Long Term Review
"When it comes to sunscreen, this is definitely the number one, it has to be Round Lab. If you hate alcohol, try Round Lab, they don't have alcohol in it but it's still very light, it feels like a moisturizer, and it's affordable too. It sprays a little heavier and feels a bit more like an actual sunscreen."
No.1 K-beauty products in Korea | Brutally Honest Long Term Review
"Round Lab is the number one sunscreen and the hype around it was phenomenal, people couldn't believe Korea could make this kind of amazing sunscreen because everybody hates sunscreen for being too oily and too sticky, but this one feels like a moisturizer. It is a chemical sunscreen though, and some people react to it, their eyes get itchy."
Global No.1 vs Korea No.1 Skincare: Which is Better and Why?
"Round Lab has definitely been the number one sunscreen in Korea for a lot of years. The texture felt a little lighter than Beauty of Joseon's and I liked it too, they both feel like a moisturizer. Korean sunscreens use much more advanced filters, though don't forget both of these are chemical sunscreens, so be careful around your eyes. Some people do say this one makes their skin really dry."
Don’t BUY viral Korean Sunscreens BEFORE Watching THIS💀 | Recommendations for All Skin Types
"This blends so well, it feels a little shiny for a few minutes and then it feels like nothing is there, so it works great under makeup and it's affordable enough to be a good gift. Even though there are so many great sunscreens out there, this is absolutely number one to me because I think Round Lab was the one who started making this kind of lightweight texture. If you don't like sunscreen because it feels greasy, smells, or leaves too much white cast, please try this one. It's just not easy to wash off with a cleansing foam, you have to remove it with a cleansing balm or oil."
I Bought every Best Selling Korean Skincare From Olive Young to find the best one.
"The Round Lab sunscreen is always number one, it's hard to knock off the top. It has no white cast and works no matter your age or gender. I feel it's a little more watery, and it just lived up to the hype."
Chill&Chat: CYoung’s Live
"Round Lab is on sale right now and their sunscreen is the number one sunscreen in Korea, it's pretty good, and compared to Dr G, which is just okay, Round Lab is much lighter."
Summer Skincare Tips and Hacks | how to GLOW UP | SELF CARE guide
"This one is great too, similar in price and texture to Beauty of Joseon, and a little more moisturizing than B Ready. It's a chemical sunscreen, so if you have very sensitive skin it can sting your eyes."
Korean Skincare products that are actually POPULAR in Korea
"The only sunscreen on the ranking is from Round Lab, it's very affordable and feels just like a moisturizer, no white cast, amazing before makeup."
I tried TIKTOK *VIRAL* Korean skincare… an honest review (Not sponsored)
"This is really similar to Beauty of Joseon since they're made by the same manufacturer, like twins, it's hard to tell them apart even in a blind test with experts. It's not sticky, has no whiteness, and blends into my skin smoothly, but I don't intend to repurchase it because I found a more moisturizing and cheaper product than these."
I Tested EVERY Olive Young Best Seller to find the BEST
"Sunscreen, absolute number one here is Round Lab. Definitely this is I repurchased many many times and recommend many times. And no anybody didn't try it yet, that famous Korean moisturizer feeling sunscreen, please try it out."
Yay
"The key ingredients here are the Betula platyphylla japonica, which is birch juice, which is rich in minerals, amino acids, and antioxidants that help hydrate, soothe, and reduce inflammation. It also contains niacinamide and hyaluronic acid. The Round Lab Birch Juice is just chef's kiss if your skin is dry and irritated."
All 4 takes from Dr. Aleksandra Brown
Dermatologist-Approved Skincare Routine for Perimenopausal Skin (AM & PM)
"The key ingredients here are the Betula platyphylla japonica, which is birch juice, which is rich in minerals, amino acids, and antioxidants that help hydrate, soothe, and reduce inflammation. It also contains niacinamide and hyaluronic acid. The Round Lab Birch Juice is just chef's kiss if your skin is dry and irritated."
How a Dermatologist Transitions Her Skincare for Spring & Summer | Dr. Aleksandra Brown
"Round Lab Birch Juice Sunscreen SPF 50 plus PA plus++. This is SPF 50, which I really prefer in the summer time. It protects you against UVA, UVB, as well as the blue light. It works both as a sunscreen and a moisturizer. It has both in one. There's no white cast, there's no smell. It's really easy to layer because it's lightweight. This one's rich in amino acids and minerals, and it has a little bit of niacinamide in it, so helps brighten the skin while also protecting it. It's great for pigmentation and also if you're acne prone."
Dermatologist's Skincare Routine: AM & PM Steps for Healthy Skin | Dr. Aleksandra Brown
"My current choice for my first layer of sunscreen is this Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++. This one will provide really good UVA and UVB coverage. UVB helps you prevent sunburns and pre-cancer formation whereas UVA rays penetrate deeper and cause wrinkles, so not only you're preventing pre-cancers from forming you are also preventing wrinkles. The ingredients to note in this one are very beneficial. Birch juice is rich in minerals and amino acids and antioxidants so it'll help hydrate and protect. It also has a little bit of niacinamide and hyaluronic acid. Niacinamide will soothe and maybe brighten a little bit, hyaluronic acid will help plump and hydrate your skin, so really all-in-one right here. The sunscreen feels really, really lightweight. It leaves zero white cast, has no fragrance whatsoever, does not irritate my eyes. It is not water resistant but for everyday use it serves its purpose. It also happens to have a moisturizer in it, and just because you have oily skin doesn't mean you should skip a moisturizer, that's really important for me. In the morning it's easier to use a sunscreen that has a moisturizer in it than to layer."
Dermatologist’s 2024 Skincare Empties: Dr. Aleksandra Brown’s Favorites
"Round Lab Birch UV block is really good sunscreen. I love it. The Round Lab is a little bit more hydrating and a little bit more lightweight. It has no scent whatsoever, it's chemical, doesn't leave any white cast, and it's appropriate for face, neck, and chest area."
Yay
"The Round Lab Birch Juice, the filters do not sting my eyes, which is fantastic. This is slightly more of a dry formula, [...] it's a little bit more [...] lightweight, like it has a little bit more of that sort of milky, whipped milk sort of texture to it. And this is what I like to use underneath my makeup. So, this does not peel on me, which is fantastic, and it doesn't sting my eyes."
Top Pick: sunscreen
All 3 takes from Alexandra Anele
New Empties! | Makeup, Haircare, Skincare
"I have switched my face sunscreen to the Round Lab Birch Juice. Which a lot of you also love. So, I love hearing that."
What happened to my skin & how I FIXED it | Updated Skincare Routine
"This is the Birch Juice moisturizing sunscreen from Round Lab, and I'm obsessed with it. This is [...] the sunscreen that I've been looking for my entire life. [...] I'm incredibly sensitive, my skin is sensitive to mineral sunscreens and my eyes are sensitive to chemical sunscreens. So I have to find the right UV filters that are not going to irritate my eyes because mineral sunscreen [...] dries out my skin. [...] If you are like me and your typical avabenzone, octinoxate, homoalate, all of those UV filters sting your eyes like crazy, [...] this is a great option if you're someone who's a little bit more oily and you're looking for something that's like a little more matte but not dry."
I finished a bunch of stuff. Let's see if they were worth it 🥲
"The Round Lab Birch Juice, the filters do not sting my eyes, which is fantastic. This is slightly more of a dry formula, [...] it's a little bit more [...] lightweight, like it has a little bit more of that sort of milky, whipped milk sort of texture to it. And this is what I like to use underneath my makeup. So, this does not peel on me, which is fantastic, and it doesn't sting my eyes."
Yay
"This one looks a little bit more like dewy and moisturized, which is [...] the Birch Juice, which makes sense. This one has a little bit of a thicker consistency."
All 2 takes from Hyram
Surprising My Editor with a Korean Skin Care Makeover!
"This one looks a little bit more like dewy and moisturized, which is [...] the Birch Juice, which makes sense. This one has a little bit of a thicker consistency."
Ranking Every TikTok Viral Korean Sunscreen🧴
"It's a good sunscreen, but I do feel like it is a little bit heavy and definitely more ideal for someone who has dry, dehydrated skin and wants a richer moisturizer feel. Is it a nice experience? Does it have no white cast? Does it feel like a nice rich moisturizer? Absolutely. But it definitely is not similar to other Korean sunscreens, nor do I think it best exemplifies what you can exclusively find in Korean sunscreens. I don't really understand why everyone's so hyped about it, but I have recommended it to people with really dry, flaky skin who want a deeply nourishing, heavier sunscreen. For me personally, this is one of those sunscreens I'd rather apply on my body, ears, and neck rather than my face. That said, still like 100 times better than the majority of sunscreens you could find in the US. It's fine, but certainly not the best."
Yay
"It was such an elegant sunscreen, moisturizing but not heavy, give you this dewy subtle dewy finish that was just beautiful. It has advanced filters and so in my mind I feel like it's really suitable for those that have more like dry normal dry skin, but for oily skin friends you probably would love this for the winter time. [...] It is fragrance-free, it is hydrating but not heavy, it's elegant, and so for those that are looking for something a little bit more have a little bit more nourishing properties. It absorbs very quickly but with the subtle glow dewy finish. [...] Ingredient wise, it's chemical filters, has birch tree sap along with birch tree extract and niacinamide, so just wonderful soothing ingredients that I think is just so lovely."
All 5 takes from Dr. Jenny Liu
Derm's review of popular Korean Sunscreens Part 1. | Dr. Jenny Liu
"This has been number one at Olive Young for a long time. It is really nice and infused with hydrating ingredients to suit the skin, ideal to wear in the summertime all year round. It really is like the one that can benefit all skin types. It is nice and elegant, lightweight, hydrating, moisturizing, but doesn't feel heavy or sticky, absorbs really quickly. It's just a great daily sunscreen. It is all chemical filters but offers high protection, SPF 50 and PA++++, which is the highest level of UVA protection you can get, and also helps to improve skin texture and skin tone with the ingredients that it has. It has birch tree sap which has a lot of different 17 different types of amino acids, vitamins, proteins, antioxidants to really help to nourish, hydrate the skin and really support the skin barrier, along with other plant-derived extracts that are just all around great at hydrating the skin. It also contains niacinamide."
Dermatologist Favorite Asian Beauty Products of 2024 | Dr. Jenny Liu
"It was such an elegant sunscreen, moisturizing but not heavy, give you this dewy subtle dewy finish that was just beautiful. It has advanced filters and so in my mind I feel like it's really suitable for those that have more like dry normal dry skin, but for oily skin friends you probably would love this for the winter time. [...] It is fragrance-free, it is hydrating but not heavy, it's elegant, and so for those that are looking for something a little bit more have a little bit more nourishing properties. It absorbs very quickly but with the subtle glow dewy finish. [...] Ingredient wise, it's chemical filters, has birch tree sap along with birch tree extract and niacinamide, so just wonderful soothing ingredients that I think is just so lovely."
Can't find your favorite Korean Sunscreens, Derm explains MOCRA | Dr. Jenny Liu
"It covers both UVA and UVB, the reformulation contains chemical filters that are approved by the FDA so you're going to get your Avobenzone that covers UVA and then Homosalate as well as Octisalate that covers UVB. It's still lightweight, hydrating, but some users have noticed that it's a little bit thicker and less watery than the Korean version. Sunscreen is so hard to formulate depending on the chemical filter you use that can definitely affect the overall texture. It still contains Birch juice extract, hyaluronic acid, and Allantoin. Even though the US version is definitely as true as it can be in the sense it's hydrating and soothing, great for sensitive skin, you may find it slightly thicker compared to the Korean version, but honestly I think overall it's still going to be a really great option."
Fall AM Skincare routine featuring Beauty | Dr. Jenny Liu
"This is an elegant sunscreen that really can be used all year round but in the fall winter I find it to be extra lovely especially if you like more oily and find the dewy to be too much. I feel like that dewy glow though is just perfect for fall and winter when it's just a little more dry and cold outside. This one is definitely a bestseller at all of YesStyle in Korea for a reason. It is elegant, it is hydrating but not heavy or greasy or shiny, really ideal for daily use for all skin types. Not only does it offer high broadspectrum protection SPF 50 and PA++++, protecting against UVA and UVB, it's got great advanced chemical filters but at the same time it's got birch tree juice and sap to really help to hydrate the skin and that birch tree sap is rich in antioxidants that really helps to provide additional support to the skin defending against environmental aggressors. At the same time the niacinamide also helps to improve skin texture and skin tone. It's just a lovely elegant sunscreen for daily use so highly recommend checking that one out."
Oct Amazon Prime Day Asian Skincare must buys | Dr. Jenny Liu
"This is a great one, I think really lovely especially as we transition into like fall. For those with more oily skin I really recommend because it does help to moisturize at the same time but does not leave like a greasy shiny film on skin. Even for dry skin, once you put on your moisturizer and let your moisturizer absorb, this goes on very nicely on top of that. It's just a lightweight sunscreen and for the summer time it can be your moisturizer and sunscreen in one, so many different uses and really suitable for all skin types throughout the season. The wonderful texture and lightweight formulation also contains great filters. It is SPF 50 PA++++, you're getting broad spectrum UVA UVB unique filters that unfortunately we just don't have here in the US. Ingredient wise, aside from the chemical filters, it also contains Birch tree sap along with Birch juice extract that we know helps to hydrate and support the skin barrier and really nourish our skin barrier and is what provides that moisturizing properties without the heaviness. It also contains niacinamide which is great, offers antioxidant benefits and skin barrier support."
Nay
"I used it ages ago but I wasn't that impressed so I didn't repurchase it. [...] It was nice but I think it was overhyped. You see a lot of influencers [...] going mad for this saying it's so hydrating, it gives you a dewy feel to the skin, it's amazing. I expected a lot, I put it on my skin and it wasn't really doing it for me. I have really oily and acne prone skin and so in the summer I like to use a sunscreen that is hydrating enough that it's a moisturizer and a sunscreen in one. I was led to believe and almost promised that this would be the case with this Round Lab one. It wasn't. There was just no hydration to it. [...] For me I don't see why people are going mad for this. It's average. It's not a bad sunscreen, there's no white cast, there's no noticeable ashiness to the skin, it blends in nicely, but it's just not that hydrating. If you're the sort of person that likes to use your sunscreen as a moisturizer and a sunscreen all in one, this just isn't going to be it."
All 2 takes from Mad About Skin
SKINCARE LIVESTREAM - Summer Skincare Chat
"I did try it probably about a year ago and I really liked it. I wouldn't say it's anything special, I would say it's a good Korean sunscreen."
BESTSELLING KOREAN SUNSCREENS 2024 - Rating Viral SPFs
"I used it ages ago but I wasn't that impressed so I didn't repurchase it. [...] It was nice but I think it was overhyped. You see a lot of influencers [...] going mad for this saying it's so hydrating, it gives you a dewy feel to the skin, it's amazing. I expected a lot, I put it on my skin and it wasn't really doing it for me. I have really oily and acne prone skin and so in the summer I like to use a sunscreen that is hydrating enough that it's a moisturizer and a sunscreen in one. I was led to believe and almost promised that this would be the case with this Round Lab one. It wasn't. There was just no hydration to it. [...] For me I don't see why people are going mad for this. It's average. It's not a bad sunscreen, there's no white cast, there's no noticeable ashiness to the skin, it blends in nicely, but it's just not that hydrating. If you're the sort of person that likes to use your sunscreen as a moisturizer and a sunscreen all in one, this just isn't going to be it."
Yay
"This is the Round Lab Birch Juice Moisturizing Sunscreen. It has become such a popular sunscreen, but honestly for very good reason. It's such a moisturizing sunscreen that I'm not adding in an additional moisturizer, even though moisturizer is absolutely a necessary step in a skincare routine. I do feel this might actually be one of the most moisturizing sunscreens I've ever tried, it really is a nice product. It does have some tinosorb M in it, so you might see a little bit of a white cast as I start applying it, but on my skin type at least it does vanish in once I massage it in. If you have a deeper skin tone, you might want to look for the newer colored formula instead."
Top Pick: moisturizing sunscreen
All 6 takes from AliceintheRabbitHole
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"I do think the Round Lab sunscreen being so viral is probably part of the same kind of filter as the Purito. But be careful with this one, because birch is actually a pretty common allergen, which is why I'm sticking with the Purito in terms of recommendations."
EASY AM Routine ft Stylevana Vana Box (& GRWM)
"This is the Round Lab Birch Juice Moisturizing Sunscreen. It has become such a popular sunscreen, but honestly for very good reason. It's such a moisturizing sunscreen that I'm not adding in an additional moisturizer, even though moisturizer is absolutely a necessary step in a skincare routine. I do feel this might actually be one of the most moisturizing sunscreens I've ever tried, it really is a nice product. It does have some tinosorb M in it, so you might see a little bit of a white cast as I start applying it, but on my skin type at least it does vanish in once I massage it in. If you have a deeper skin tone, you might want to look for the newer colored formula instead."
Skincare EMPTIES! How Long to Finish Products, Why I Go Back to Affordable Picks...
"I also finished another one of these sunscreens. This used to be one of my absolute favorites. I like how moisturizing it is, I don't need a separate moisturizer every day when my sunscreen is also very moisturizing."
K-Beauty Speed Reviews: Jumiso vs Vegreen, New Favorite SPF, & More!
"I've used the Round Lab Birch sunscreen for the past year, it uses birch to provide extra moisture. But when I did a side by side with a new sunscreen, I couldn't get over how much faster the new one applied, with the Round Lab I had to sit there continuing to buff it into my skin. Thank you for all you've done for me for the past year, Round Lab, but I've found a new favorite now."
New VANABOX & Should You Start a Youtube Beauty Channel? (Chatty GRWM)
"I grabbed my Round Lab sunscreen, which is presently what I'd call my favorite moisturizing sunscreen."
Most POPULAR K-Beauty Sunscreens! (Bonus Chat: Are they Samesy??)
"The difference between this and Beauty of Joseon is that this one feels much more moisturizing, so if you have a dry skin type you might gravitate more to this. Even though it feels very moisturizing it doesn't look too dewy or glowy, and it's one of those sunscreens where I don't feel I need a separate moisturizer with it. It does have some essential oil ingredients, but I don't really smell much of anything in it. As a person with dry and sensitive skin, this is my favorite sunscreen in this video because I like that added nourishing, moisturizing feel. In all truth though, there is something I don't love about this: it's kind of hard to get good deals on it, and it's a little bit more expensive than most of the other options in this video, though for some people it could be worth it."
Yay
"This is from Round Lab and it literally has Birch inside of it. If you thought that you loved the rice and probiotic from Beauty of Joseon, you are going to love this, this is so much better. It does come out kind of this cream color but it is extraordinarily lightweight. If you want something that works under makeup you can literally just pat this in and it absorbs so beautifully into the skin. Because this is a chemical, organic sunscreen it works on all skin tones so it doesn't leave any white cast. I found that if you actually pat this formula into the skin it gives you like this dewy soft finish, whereas if you rub it into the skin it gives you more of a glowy, glassy finish. I love that it's so versatile. I can see why this is one of the top sellers in Korea. This is absolutely one of the best. It's an SPF 50 PA++++."
All 4 takes from Cassandra Bankson
SPF AWARDS: 12 BEST K-Beauty Sunscreens of 2024 - My picks for Top Korean SPFs this Summer!
"This is from Round Lab and it literally has Birch inside of it. If you thought that you loved the rice and probiotic from Beauty of Joseon, you are going to love this, this is so much better. It does come out kind of this cream color but it is extraordinarily lightweight. If you want something that works under makeup you can literally just pat this in and it absorbs so beautifully into the skin. Because this is a chemical, organic sunscreen it works on all skin tones so it doesn't leave any white cast. I found that if you actually pat this formula into the skin it gives you like this dewy soft finish, whereas if you rub it into the skin it gives you more of a glowy, glassy finish. I love that it's so versatile. I can see why this is one of the top sellers in Korea. This is absolutely one of the best. It's an SPF 50 PA++++."
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"This is the one that I tried in Korea, the SPF 50, and I love her little art. Apparently this is a really top selling sunscreen in Korea. It's completely fragrance free, there's a little smell not much though. It has a little bit of a whiteness and then it really does blend in. And this is an organic slash chemical sunscreen, way better than a ton of American sunscreens. It has this tree bark, this birch bark sap juice water, leaf, it's nice, gives a nice glow. It's very lightweight."
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"This is a moisturizing sunscreen from a brand that's also in Korea called Round Lab. I think you might like this best, especially because you do have a little bit more tendency to dryness. Feel how this is almost like a moisturizer, it doesn't even feel like a sunscreen. This should help protect you every single day from the sun while also giving you that moisture. I love the packaging."
Skincare For When You Are Depressed
"This is an SPF 50 from Korea, it's vegan and cruelty-free. This one's specifically from Round Lab and look, it's got a lady sitting in a pond washing her face under a birch tree. Is that not so cute? If I just look at this I feel better."
Yay
"Round Lab Birch Juice Moisturizing Sunscreen for 19 bucks, it does have hyaluronic acid in it. I'm not against all hyaluronic acid but I don't want you guys to be using HA in every step of your routine especially if it is low or super low molecular weight HA as I have seen it get slightly inflammatory when overused in the same routine. But if you guys are into the hyaluronic acid and you're looking for something hydrating, patients have told me they love this one. It is great if you have a broken skin barrier because it has birch tree sap which does decrease inflammation and purify your skin while hydrating your skin as well. [...] It has Juvenyl A Plus and an Aorb S and [...] it feels very, very silky and it is very easy to spread. There is also no white cast and it blends in seamlessly and has no scent."
Yay
"This is the Round Lab Birch Sunscreen. I started using it a few months ago, obviously it was so viral on TikTok I had to get it. It's very similar to Beauty of Joseon, but I feel it blends more easily than Beauty of Joseon. From a blendability perspective this was even more amazing. This is a product you don't need to, you'll be perfectly fine if you're using a toner or two types of serums. This is pretty lightweight and I loved it."
Yay
"I absolutely love the new Round Lab one if you are after one that is watery in texture. So lightweight, doesn't sting the eyes, doesn't irritate your skin. This is an amazing one."
Sponsored
All 6 takes from James Welsh
AD Worth Over $600?! Is This The Best K-Beauty Advent Calendar 💜 James Welsh
"This is a really nice soothing calming sunscreen, chemical sunscreen but super moisturizing as well. It feels more like a thicker moisturizer than a chemical sunscreen. If your skin is prone to irritation, if you have redness like mine, this sunscreen in particular is really really nice for kind of like not irritating your skin. Some chemical sunscreens can further irritate, stingy the eyes, this gives you no stingy skin. But it's super moisturizing, which actually makes it a really really nice one for winter because it does have more of that thicker, more nourishing moisturizer kind of feel to it."
James Welsh X Round Lab - Ultimate Hydration Collection AD
"This is one of the best sunscreens I've ever used, ever, and will probably ever use. Because I know it sounds bad, but it doesn't feel or smell or react to my skin like a sunscreen usually does. As somebody with rosacea, somebody whose skin barrier is sometimes compromised because of my job of reviewing skincare products, I know this is a sunscreen I can fall back on and use without any irritation whatsoever. When my skin barrier is impaired, I usually don't use sunscreen. But when I'm coming out of that healing stage, when my rosacea is flaring up, when I don't want a rosacea flare up, this is the one I go for. This feels like a moisturizer that you just use on your skin that happens to have sun protection in it. It doesn't have that distinct smell that a lot of chemical sunscreens have. It doesn't have that eye stingy feeling. It doesn't have that skin stingy feeling that a lot of sunscreens have. Texture wise, it's somewhere between a thick serum and a light moisturizer. It's not too watery, it's not too thick. So you can reapply, reapply, reapply throughout the day without feeling bogged down. It has ascorbic acid, glycerin, sodium hyaluronate, niacinamide, and soothing ingredients like [Allantoin]."
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"I love Round Lab, I love their sunscreen. It's a daily use product for me."
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"I would even doubt if that's actually SPF as well."
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"Round Lab's birch juice sunscreen SPF 50+ PA4+ is also amazing, it just feels like a very light to midweight moisturizer, super hydrating birch juice, and it's light enough to keep reapplying throughout the day without feeling like you're piling on heavy greasy sunscreen."
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"I absolutely love the new Round Lab one if you are after one that is watery in texture. So lightweight, doesn't sting the eyes, doesn't irritate your skin. This is an amazing one."
Yay
"This is the Round Lab Birch Juice Moisturizing Sun Cream SPF 50. This is one I've probably recommended in numerous videos over the years time after time, and it's one I've repurchased numerous times. It really performs quite well. What I like about this is the texture, there's no greasy feel to it, it doesn't take a lot of effort to get a good layer on the skin, and once it dries down you can put makeup on over it with no worries. It does not burn on the face when you apply it, nor does it sting around the eyes. There's absolutely no white cast. It has hyaluronic acid, sodium hyaluronate, and niacinamide. If your skin is dry, oily, or combination, I think this is a fantastic one for you. I highly, highly recommend it."
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"I really like this brand and have used and recommended many of their products. The Round Lab Birch Juice Moisturizing Sunscreen SPF 50 is an SPF 50 moisturizer with sunscreen and it is very hydrating, it's very soothing but it's not greasy, it's not shiny, doesn't burn or sting around the eyes. The filters in the sunscreen are Avobenzone, Uvinal T 150, Tinosorb S, and Isooctyl Triazone. Birch juice or birch sap comes from the birch tree and is filled with anti-inflammatory compounds and antioxidants that can help reduce oxidative stress in the skin that leads to more dryness and more inflammation. It also contains a variety of polysaccharides, sugars that when applied to the skin help with hydrating the skin and improving water content. For those of you with combination skin that addresses not just the dryness but also pore clogging, blackhead and whitehead formation. This has niacinamide, a B vitamin that is good for redness, inflammation, hyperpigmentation, improving production of skin's lipids and barrier components, so really helpful for combination skin."
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"I have used this sunscreen before it's a good one it's nice and hydrating."
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"This is another go-to for me. It has niacinamide. This one is a little bit [...] more lightweight, not a rich cream, more of a lightweight gel lotion, borderline gel. And the birch juice is full of hydrating, soothing compounds. This really is great not only for the entire face, but of course, you want to be taking the sunscreen down to the vulnerable neck skin, which sees a lot of sun exposure throughout one's lifetime. And neck skin is a lot more vulnerable to UV damage because it's thinner. It can lead to changes in the skin. Sunscreens are moisturizers, and so moisturizing the neck is a great way [...] for protecting the skin but also for reducing irritation that can happen from frictional forces like your collar and necklaces, cutting down on just the likelihood that you develop those little dehydration lines by keeping the skin protected both from ultraviolet radiation via the active sunscreen ingredients and protected from transepidermal water loss."
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"I love the Birch Juice Moisturizing Sunscreen. It is nice and hydrating, lightweight, beautiful packaging. I'm excited to have the actual cream because the sticks are vulnerable to skip areas."
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"The Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ [...] is super hydrating and very lightweight with an almost fluid-like consistency. It's one of those that does not feel like you're putting sunscreen on. It really just feels like you are moisturizing. It is a chemical sunscreen with some amazing UV filters for broadspectrum protection and zero white cast to be had with this product."
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"I really like this as a daily moisturizer, it's super hydrating. [...] The sunscreen is really easy to tolerate around the eyes too. It's an organic sunscreen so there's no white cast. I've also been using the stick version of this as an SPF lip balm and rather enjoying that too."
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"This is the Round Lab Birch Juice Moisturizing Sun Cream SPF 50. This is one I've probably recommended in numerous videos over the years time after time, and it's one I've repurchased numerous times. It really performs quite well. What I like about this is the texture, there's no greasy feel to it, it doesn't take a lot of effort to get a good layer on the skin, and once it dries down you can put makeup on over it with no worries. It does not burn on the face when you apply it, nor does it sting around the eyes. There's absolutely no white cast. It has hyaluronic acid, sodium hyaluronate, and niacinamide. If your skin is dry, oily, or combination, I think this is a fantastic one for you. I highly, highly recommend it."
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"I discovered the Round Lab Birch Juice Moisturizing Sun Cream this year. It's a chemical sunscreen, very moisturizing, no cast whatsoever, with chemical filters uvinul A plus, uvinul T 150, tinosorb M, and escatrisinal. This product is not water resistant, so I would not rely on it if you're going to be outdoors participating in sports and sweating heavily, but it's a fantastic everyday moisturizer that happens to have sunscreen in it. It has niacinamide, licorice root, allantoin, and sodium hyaluronate. It's not the least bit greasy, doesn't make you look shiny, and it's easy to tolerate around the delicate skin of the eyes, it never seeped into my eyes or caused burning. I made it through an entire tube. I had a really hard time picking the top Korean sunscreen this year because there were a lot of good ones, but this one stood out to me and is one I ended up finishing up in total, so I would put it as the best of all."
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"This is the Round Lab Birch Juice Moisturizing Sun Cream, a chemical sunscreen with zero cast, an array of filters for broad spectrum protection. It has niacinamide, which is helpful for redness and hyperpigmentation, licorice root, which is also helpful for redness and hyperpigmentation, allantoin, which is very moisturizing, and sodium hyaluronate and hydrolyzed hyaluronic acid, which help with the moisture content of the skin. This is a very good daily moisturizer that happens to have sunscreen in it, it's not tinted, so there's no cast to worry about, though you don't get the protection from visible light that a tint would give, but the licorice root and niacinamide can still help with hyperpigmentation. What I like about it is the finish, it's moisturizing, it's not greasy, it's not shiny, it gives the skin a nice healthy glow, and it's super hydrating. It doesn't seep into my eyes causing blurry vision, and it's not water resistant so I wouldn't rely on it if I'm going to be outdoors participating in sport or on a very humid day. This is a great product, I really, really liked it. I tried a lot of Korean sunscreens this year and I think I liked all of them, but this one I stuck with and finished up, and it actually turned out to be one of my Korean skincare favorites this year."
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"This is another chemical sunscreen, very lightweight, hydrating, moisturizing, not greasy, doesn't leave any residue, doesn't peel, and there is zero cast for me. It has uvinul A plus for broad uva protection, uvinul T150 for uvb, tinosorb M and iscotrizinol, so a very good array of chemical filters. It also has niacinamide, dipotassium glycyrrhizate from licorice root for soothing and anti-redness, allantoin for healing, and sodium hyaluronate plus hydrolyzed hyaluronic acid for hydration. It's not water resistant, so I'd think of this more as a moisturizer that happens to have a very good sunscreen in it rather than something to rely on for sport or sweat. Overall I have been really thrilled with this."
Yay
"I actually really like this line from Round Lab because this sunscreen is just absolutely wonderful. It's virtually empty already, so it's probably going to be the next sunscreen I finish. I've done videos on this sunscreen before, it's just amazing."
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"This one's a really nice one. It's similar in some ways to their Doo sunscreen in terms of it feels nice. It's got probably the same filters in there. It's very affordable and it's a really nice revamp of their sunscreen."
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"The dope dough sunscreen and the Birch juice Sun cream they are both amazing chemical based sunscreens they apply clear transparent they're very hydrating and they've both done a great job"
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"About a month ago I went kind of viral on TikTok, freaking everyone out that they reformulated the Round Lab sunscreen and it's going to not be great. There's a post about it: the ingredients changed, they swapped, a bunch of the ones that were at the bottom are now at the top. Why would a sunscreen that's great and people love suddenly change its formula? It hasn't, actually. The laws have changed. As of August 1st a lot of changes were made in South Korea's labeling laws, so that's what's behind it."
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"The Round Lab Birch Juice sunscreen comes in at about $19. This stuff is wonderful. I've been using this one a lot ever since it came out and I've been really happy with it ever since. A lot of days when you see me in my videos, I'm wearing this very sunscreen just because it's so nice and hydrating but not feeling greasy or anything like that. It soaks in really nicely. It feels super light, feels natural on your skin, and works great under makeup or if you just want to go makeup-less. It works really nice and doesn't look greasy, and you probably won't even need to set it with powder because it's so nice and light feeling. It's super affordable."
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"It retails for about $19, it's fragrance free, alcohol free, it's got four different chemical invisible filters, and it also contains soothing ingredients percaine, vitamin E, and chamomile."
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"Their Birch Juice sun sunscreen is great. [...] These are all nice. They're all sensitive skin friendly. None of them have any scent to it, which is nice."
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"Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ is a 16 dollar sunscreen that's fragrance and alcohol free with a lotiony texture that smooths into skin quite nicely. It has a little bit of a white cast when you first apply it and then once it soaks in it goes away. It's slightly moisturizing so it's nice for winter too. It has four different chemical filters and also contains porcelain, vitamin E, licorice root, and chamomile for soothing. It's nice because it's hydrating but not greasy so it makes it nice for fall and winter."
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"The Round Lab Birch Juice Moisturizing Sunscreen [...] is worth the hype. It's amazing, super hydrating, applies clearly, no fragrance, no alcohol, nice chemical filters, and does a nice job really leaving skin feeling soft, hydrated, and works really nicely under foundation. [...] It's one of the nicest mineral or chemical sunscreens I've used and I love the fact that it's hydrating without any fragrances in it."
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"Their Birch Juice sunscreen is great. [...] No scent to it. [...] They tend to be unscented and tend to not have a ton of alcohol in them, which is nice for winter when your skin gets super dry."
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"Round Lab, I've tested a lot of their sunscreens and I've loved them all so far. I haven't found one that's a disappointment yet. [...] This one's really nice. It's lightweight. It's got chemical filters in it. No scent, no alcohol. Applies pretty transparently. [...] I really enjoy it. If you're looking for a nice sunscreen, I've yet to get burned using it, so I can't say the same about some other sunscreens, but this stuff is nice."
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"Their Doo sunscreen and Birch Juice Sunscreen are wonderful though if you haven't tried those they're super wonderful sunscreens."
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"I actually really like this line from Round Lab because this sunscreen is just absolutely wonderful. It's virtually empty already, so it's probably going to be the next sunscreen I finish. I've done videos on this sunscreen before, it's just amazing."
Yay
"The sunscreen, their birch juice, [...] it's just phenomenal. Even the US version is very nice. The Korean filters [...] allow it to have a bit more of a sensorial experience, but the US version, which you can find in Target, is also phenomenal."
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"I fell in love with this. It's absolutely beautiful. You often times can't tell what brand this comes from when you try to find it on the shelf. [...] But it's the Round Lab sunscreen and it's absolutely incredible. Now, they do have an American version and a Korean version. [...] The American version is actually available at Target. But the Korean version, which is available from Yes Style, is the one with the Korean filters. They're similar, but I will say that the American one is slightly heavier than the Korean version."
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"The sunscreen, their birch juice, [...] it's just phenomenal. Even the US version is very nice. The Korean filters [...] allow it to have a bit more of a sensorial experience, but the US version, which you can find in Target, is also phenomenal."
Yay
"I can't not mention this sunscreen from Round Lab. Their Birch Juice Moisturizing Sunscreen. SPF of 50, PA of four pluses. Time and again, this is always just a bestseller. And there is a good reason why. I feel like it maintains all the properties of the Korean sunscreens that we just love so much, except it's even lighter. It's elegant. It's so easy to wear. It feels really nice even on top of your skincare. It's great under makeup. It feels hydrating. It's non-greasy. You don't really feel it sitting on your skin. So, it's like very natural finish."
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Yay
"This is an SPF 50 broadspectrum sunscreen where if you want something that is moisturizing but not oily, hydrating but not heavy, I would go for this every single time. I would say if you have combination to dry skin or dry mature skin, this is a pretty perfect sunscreen. It layers beautifully under makeup. It's not going to have a white cast on the vast majority of skin tones because it contains some really advanced UV filters different than the UV filters that are available for a lot of US sunscreens. [...] Korean sunscreens tend to have a lot lighter textures than a lot of European sunscreens. [...] I also love this for my body. I've purchased like 20 tubes of this because I can put it on me, I can put it on my son, I can force it onto my husband and I don't feel like I'm wasting it or I'm spending a ton of money protecting myself because these are so affordable as well as cosmetically elegant."
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"This is an SPF 50 broadspectrum sunscreen where if you want something that is moisturizing but not oily, hydrating but not heavy, I would go for this every single time. I would say if you have combination to dry skin or dry mature skin, this is a pretty perfect sunscreen. It layers beautifully under makeup. It's not going to have a white cast on the vast majority of skin tones because it contains some really advanced UV filters different than the UV filters that are available for a lot of US sunscreens. [...] Korean sunscreens tend to have a lot lighter textures than a lot of European sunscreens. [...] I also love this for my body. I've purchased like 20 tubes of this because I can put it on me, I can put it on my son, I can force it onto my husband and I don't feel like I'm wasting it or I'm spending a ton of money protecting myself because these are so affordable as well as cosmetically elegant."
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"This is just like a really beautiful moisturizing lightweight easy to rub in sunscreen that is great for sensitive skin. It has some Birch extracts in it. Birch is known for having natural moisturizing factor so something that's going to help hydrate the skin and support the skin barrier. Look at that rubbing so effortless. Big fan of the sunscreen. If you've used like the Beauty of Joseon for example I find this to be somewhat similar to that but each one of these formulas has something that makes them a little bit special or unique. If you want to try this I feel like you would not miss on adding this to your sunscreen repertoire."
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"This is a very moisturizing sunscreen. It's not going to have a white cast on the vast vast majority of skin tones. It rubs in effortlessly. If you're someone who has really oily skin, maybe you skip your moisturizer step and you just go straight for sunscreen because this one can be so moisturizing. I love it. I've been using it for years and years. It is beloved by pretty much every single person I recommend it to."
Mixed
"It is one of those viral products that has actually maintained its popularity because it was viral like two years ago and yet it's still a bestseller. It is delivering worthiness right people do like it they are returning to it. I do like the texture of this. It has a really airy feel, it is actually similar to a water gel-like texture, very good absorbency into the skin, not overly shiny or wet looking once it is settled onto the skin, and a comfortable, breathable type of sunscreen. For me personally there's a little bit of essential oil content in here so it's just never going to be a daily thing for me because my skin is sensitive to those ingredients. But I have used this a few different times and every time I'm impressed with the texture, the breathability, the feel of it. I totally understand why this is the bestseller."
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"The texture is a creamy lotion-like texture, it's not a really thick type of sunscreen. It has kind of a lightness to it, similar quality to a cream gel type of sunscreen, but because it does offer a good amount of moisturization into the skin, I really do consider this more of a sun lotion. It has a really nice kind of refreshing slightly hydrating feel as you spread it onto your skin, but then it also packs in a good amount of moisture without just feeling really heavy or greasy. It's definitely not a sunscreen that sits on top of your skin, it spreads and applies really nicely. It doesn't have denatured alcohol, so the dry time is a little bit longer. Really nice application, no white cast, no pilling when you reapply. Know that this offers a good amount of moisture into the skin and will build that moisture up on the skin. While this is a light to medium wear on the skin, once you reapply it does build up in thickness, builds up in moisturization and builds up in shininess too in the finish, so something to be aware of."
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"It feels very breathable, it's not something that weighs your skin down. It's not really greasy or shiny, it doesn't leave a white cast, it's very easy to work with texture. It doesn't peel. It definitely does build in moisturization as you layer it on and reapply your sunscreen. It's going to feel a little bit more moisturizing, but that very first layer feels so refreshing, so light, so comfortable. The only reason I rank it a little lower and I don't really use this product, while I have tested it and talked about it a little bit, it's not in my rotation of sunscreens, is due to the essential oils that they use. That is just an ingredient that makes my sensitive skin go off. I try to stay away from those ingredients as much as I possibly can. Otherwise I think it's an excellent sunscreen."
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"It is one of those viral products that has actually maintained its popularity because it was viral like two years ago and yet it's still a bestseller. It is delivering worthiness right people do like it they are returning to it. I do like the texture of this. It has a really airy feel, it is actually similar to a water gel-like texture, very good absorbency into the skin, not overly shiny or wet looking once it is settled onto the skin, and a comfortable, breathable type of sunscreen. For me personally there's a little bit of essential oil content in here so it's just never going to be a daily thing for me because my skin is sensitive to those ingredients. But I have used this a few different times and every time I'm impressed with the texture, the breathability, the feel of it. I totally understand why this is the bestseller."
Yay
"Round Lab is the version that's super popular in Korea. It's [...] very similar to the Beauty of Joseon sunscreen which has been my longtime favorite. [...] I would say that this is like a touch more moisturizing. It's glidey and moisturizing without being like sticky or greasy. In terms of white cast, if I apply this unevenly and let it dry, sometimes I will get a bit of a white streak but it blends out really easily. On some people with darker skin there is a slight white cast though that doesn't go away. [...] There's no alcohol in the sunscreens from this family and most of these also don't have fragrance."
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"Round Lab is the version that's super popular in Korea. It's [...] very similar to the Beauty of Joseon sunscreen which has been my longtime favorite. [...] I would say that this is like a touch more moisturizing. It's glidey and moisturizing without being like sticky or greasy. In terms of white cast, if I apply this unevenly and let it dry, sometimes I will get a bit of a white streak but it blends out really easily. On some people with darker skin there is a slight white cast though that doesn't go away. [...] There's no alcohol in the sunscreens from this family and most of these also don't have fragrance."
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"This is another one of those chemical comma sunscreens that has the same core formula. If you've been watching my videos, you'll know that this family of coal my chemical sunscreens has been top of my list for a while. They just work really well on my skin. They feel sort of like a cream gel moisturizer going on. They're really hydrating. They also just feel like they stay on your skin pretty well. They are SPF 50 PA+++ which is as high as the rating system goes in Korea. They don't leave a white cast unless you have relatively dark skin. These do leave a little bit of a shiny finish so some people find them quite greasy, but for me the film is just really light and it falls on the glowy side. I found that this was slightly heavier and richer than the Beauty of Joseon sunscreen, so I think this is more suitable if your skin is drier or if it's slightly drier weather. I found this a bit more hydrating than the Isntree one and it feels a little bit lighter."
Yay
"This is the Round Lab Birch Juice Moisturizing Sun Cream SPF 50 PA++++. The extra, extra super protection. For those of you who don't like too much moisture, this can actually double up as a sunscreen and a moisturizer, too, because it has hydrating ingredients that include 74, that's a lot. Naturally derived minerals from deep sea water. And that's going to keep your skin nourished, healthy, moisturized. Again, not greasy, just glowing. It's the number one sunscreen in the Olive Young Awards. So it's award winning, and it's the number one award winner. So you know it's good."
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What the evidence says.

Independent of what the gurus think, this is what the published research supports about the main active ingredients here.

Vitamin C

Topical vitamin C is an antioxidant with reasonable evidence for dullness and uneven tone. It breaks down in light and air, so how a product is formulated and packaged matters as much as the percentage on the front.

Source: DermNet

Niacinamide

Niacinamide has evidence behind it for redness, uneven tone and supporting the skin barrier, and it is usually well tolerated even by skin that reacts to most things.

Source: DermNet

Humectants and emollients

Ingredients like these draw water into the surface layers and slow how fast it leaves. The evidence is for comfort, softness and hydration rather than for changing the structure of the skin.

Source: DermNet

Frequently asked.

What is Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++?

A sunscreen with SPF 50 and PA++++ formulated with hydrating ingredients to provide sun protection.

Is Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ worth it?

Mostly yes. 17 of the 19 gurus who reviewed it give it their stamp of approval, for a Guru Score of 90%.

What is Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++'s Guru Score?

Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ holds a Guru Score of 90%. That is our read on how warmly the experts talk about it, based on the verdicts of 19 expert reviewers we have collected. It is also Guru Certified, our mark for products that hold broad approval across many expert reviewers.

Who is Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ best for?

Round Lab Birch Juice Moisturizing Sunscreen SPF 50 PA++++ is generally suited to oily skin, combination skin and normal skin.

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