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rosemary oil

Rosemary oil.

rosemary oil Rosemary oil
Serums

About this product

A plant-derived oil extracted from rosemary, used in hair serums and scalp treatments to promote hair growth and scalp health.

Serums

The Guru Index verdict

55%

Mixed

~Mixed · 55%
10Reviewers
3Approved
4Mixed
3Skip

What the gurus are saying

The guru community splits on rosemary oil's efficacy. Skeptics point out that while one small study showed it performed similarly to 2% minoxidil, stronger 5% minoxidil is the clinical standard, and most evidence remains anecdotal; they also note the texture is often greasy and cumbersome to use consistently. Supporters cite research on its anti-inflammatory, DHT-blocking, and circulation-boosting properties and see it as a gentler alternative for minoxidil-sensitive users. Consensus: it requires six months of twice-daily use, likely works modestly if at all, and the benefits may partly stem from scalp massage rather than the oil itself.
Synthesized from 10 expert reviews

Key actives & flags

Vitamin EFragrance-freeAlcohol-free

Full ingredients

Paraffinum Liquidum, Ethylhexyl Palmitate, Caprylic/​Capric Triglyceride, Isododecane, Rosmarinus Officinalis Leaf Oil, Argania Spinosa Kernel Oil, Simmondsia Chinensis Seed Oil, Phenoxyethanol, Glycine Soja Oil, Tocopherol, Ethylhexylglycerin

Every take, in full

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 Approved only Skip only Mixed only Hide sponsored
~Mixed
"There actually is some science behind it. It's not super impressive, though. There was a study in 2015 that compared rosemary oil to 2% minoxidil and found that after 6 months of use, both groups had similar improvements in hair growth. The rosemary group even had less scalp itching. Rosemary oil is thought to work by improving the scalp circulation and reducing inflammation around your hair follicles. But it's not a miracle overnight fix. You need consistent use. At least 6 months to really start seeing results. The study was small, and another really big issue is that it was comparing it to 2% minoxidil. Most derms recommend 5% minoxidil. I have a feeling that the 5% minoxidil would outperform rosemary oil. If you are going to use it, mix a few drops with a carrier oil, whether it's Jojoba or coconut oil, and massage it in. It's not hype for nothing, just don't expect it to outdo prescriptions or even standard over-the-counter treatments like 5% minoxidil."
Skip
"But if you're not able to tolerate even the foam, then maybe you can consider rosemary oil. But I'm still not convinced that it does a good job at regrowing hair, especially for those with androgenetic alopecia."
All 2 takes from Dr. Daniel Sugai
Five Things I Would Never Buy as a Dermatologist
"But if you're not able to tolerate even the foam, then maybe you can consider rosemary oil. But I'm still not convinced that it does a good job at regrowing hair, especially for those with androgenetic alopecia."
Unlocking The Secrets To Thicker Hair: Dermatologist Reveals Proven Treatments For Hair Loss
"My thoughts of rosemary oil very very very mid."
Skip
"Promoting any type of rosemary oil, castor oil, or rice water to grow your hair, I would say at best there's strong anecdotal evidence for these things, but if you look at the scientific literature these oils don't really seem to help. I feel like these types of interventions are sort of like a coverup or a way to buy time as your hair naturally starts to regrow. A lot of people turn to things like rosemary oil and castor oil after they have a big shed event in their life, and several months later their hair is regrowing. But yes they are applying it and yes their hair is regrowing, but it's unlikely to be from the oil itself and much more likely to be due to your natural physiologic processes."
Skip
"You've heard about the rosemary oil for hair growth craze right and there's also a lot of enthusiasm for a variety of other oils for the scalp for hair growth and I've talked about this before the research to support that is simply not there more research is needed but in my opinion a lot of the benefits that people allege in terms of hair growth with these different scalp oils comes down to likely the fact that you have to massage them in so I think a lot of people are just getting the benefits of scalp massage and they're attributing it to the oil that's a possibility."
All 2 takes from Dr Dray
Hair Loss Shampoo That Actually Works?
"Rosemary oil is one of those solutions you'll find in a lot of hair growth serums for which the efficacy of those is kind of very questionable. You got to be keeping up with putting those serums in your scalp and I've tried those just to see how they do and I personally find that a lot of these scalp serums they start to become very cumbersome and they make your hair look kind of greasy. I empathize with anybody who's tried those out and bailed on them because they're just a lot to keep up with without knowing for sure if they're actually doing anything."
Scalp Massage For Hair Growth | Dermatologist Reviews
"You've heard about the rosemary oil for hair growth craze right and there's also a lot of enthusiasm for a variety of other oils for the scalp for hair growth and I've talked about this before the research to support that is simply not there more research is needed but in my opinion a lot of the benefits that people allege in terms of hair growth with these different scalp oils comes down to likely the fact that you have to massage them in so I think a lot of people are just getting the benefits of scalp massage and they're attributing it to the oil that's a possibility."
Approved
"There is actual evidence that rosemary oil can work. As an active ingredient it does a number of things: it reduces inflammation, it promotes nerve endings so it helps repair certain areas, helps with circulation, it also is an antifungal, and it has been proven to block something called DHT, which is dihydrotestosterone. This is a breakdown product of testosterone that is present in individuals that have male and female pattern baldness."
All 2 takes from Dr. Somji Skin
Stop Hair Loss Fast: The Power of Rosemary Oil and Minoxidil Explained
"There is actual evidence that rosemary oil can work. As an active ingredient it does a number of things: it reduces inflammation, it promotes nerve endings so it helps repair certain areas, helps with circulation, it also is an antifungal, and it has been proven to block something called DHT, which is dihydrotestosterone. This is a breakdown product of testosterone that is present in individuals that have male and female pattern baldness."
Stop Hair Loss Fast: The Power of Rosemary Oil and Minoxidil Explained
"Rosemary oil is really effective as a natural alternative for hair loss. If you got a sensitivity to Minoxidil then you can use rosemary oil instead. You can apply this once or twice daily depending on your level of hair loss. It helps maintain the results, and it does help in a number of different areas for different types of hair loss. If you're looking to start including it within your regime, start with a rosemary shampoo, it's a very good start, and then if you have time to massage serums and things onto the scalp, absolutely fine. I don't recommend making your own rosemary oil at home because it can lead to a lot of irritation. I see a lot of patients coming in that have made it at home and they don't know what the concentration is, they don't know about the stability, and then suddenly you get scalp irritation and everything goes back to square one. Stick to actual proper cosmetical things that are made in a lab that are stable and tested to last beyond at least up until your expiry date."
~Mixed
"I'd used consistently for the months prior rosemary oil, which I found I didn't like the texture on, to be totally honest. It made styling really difficult because it definitely left a bit of a film and a coating."
~Mixed
"A lot of you have talked about rosemary extract and rosemary oil that has been so helpful for your hair growth journey, so I'm going to give it a try. I've been a bit of a skeptic about this particular topical, but I'm going to give it a try. I want to introduce one thing at a time so I can really tell what is working and what isn't."
~Mixed
"Rosemary oil, but really at best in one study and we need more studies really to truly know whether it's helpful or not. That study compared rosemary oil to 2% minoxidil and we do know 5% works best. Nothing can beat topical minoxidil when it comes to stimulating hair growth."
Approved
"Rosemary oil is a nice adjunct to use. It has been shown to be as effective as minoxidil, however you have to use it twice a day, not just once a day, for at least six months to see full effect. It helps to improve blood circulation, block DHT, it is an anti-inflammatory and has great antioxidant properties."
Approved
"The medical data shows that rosemary oil at two percent when used on humans regularly seems to work. There's some promising signs behind the three ways that rosemary can benefit the scalp from circulation and nerve tissue and blocking those sex hormones. For a lot of people this may be a great budget option or a great cruelty free option to things like Rogaine or minoxidil that you might not want to use."
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