Index / What Works / Tretinoin

Is tretinoin worth it? What 27 skincare experts really think

We read 121 expert takes on tretinoin. It earns an 85% approval rating with zero negative verdicts, and the one warning the gurus keep repeating is the adjustment period.

86%Guru Score
24 Yay4 Mixed0 Nay

The short answer from the experts is yes, tretinoin is worth it. It earns an 85% approval rating here, built from 121 takes across 27 of the most trusted skincare voices on YouTube, and not one of them came away negative. They describe it as the most studied topical retinoid in all of dermatology, with a track record on collagen, cell turnover, and skin tone that they say nothing over the counter currently matches. The honest caveat, and several experts make it, is that the first weeks are not a smooth ride for everyone.

Do skincare experts recommend Tretinoin?

Across the takes, the experts keep returning to two things tretinoin does that they find genuinely impressive. First, it speeds up cell turnover, which slows naturally as people age, so skin that would otherwise look dull and uneven stays brighter and more consistent. Second, it stimulates collagen production, the structural protein that keeps skin firm, and the gurus say few topical ingredients have the research behind them to back that claim up the way tretinoin does. Beyond anti-aging, the experts also point to solid evidence for acne treatment and fading hyperpigmentation. However, one thing worth knowing from the research the gurus cite is that irritation during the first weeks or months varies enormously from person to person, which means those new to it may want to start slowly rather than diving straight into nightly use.

In their words

"Tretinoin is the OG ingredient that has long-standing data on the efficacy of helping to stimulate and support collagen over time. The longer you use it, the better your skin is going to be. I've been using tretinoin since my early 20s, and when people ask what I do for my skin, the honest truth is I don't do a lot. I really don't have time for procedures. But really the thing that I think has helped my skin the most is topical retinoid, and it is consistent and long-term use."
"For prescription retinoids, tretinoin is my favorite. I think tretinoin is the GOAT, I mean I think it's the one, if you don't know, it's the one. I start people usually at 0.05% if there's no other contraindication to starting at that point. I think it's just overall probably the best for every person who's just getting into retinoids. I start most of my patients on tretinoin that have acne and I think it's a great starter that most people respond really well to, and we have multiple concentrations of this and you may want to start with a lower concentration and then go to a higher concentration, but this is something that you want to discuss with your dermatologist."
"On the nights that I won't use the exfoliating pads I'm going to go straight up for my prescription which is Tretinoin 0.05%. I'm going in kind of wrong and strong at Tretinoin 0.05%. I'm not starting back at the lower dose. My skin has missed it and I have missed this. God help me, let's see what happens."
"If you're not pregnant do tretinoin, which is something I prescribe, that's the king of all anti-aging skincare. It helps with fine lines and wrinkles, helps clean out your pores, helps with hyperpigmentation by lightening it, it's increasing cell turnover. If that's too harsh this winter you might want to consider something over the counter like retinol."
"This is kind of the gold standard, this is what a lot of the research has been done on, is the 0.05% tretinoin. When you look at studies, [...] it's shocking how irritating this can be for some people and how non-irritating this can be, and the results are very similar in the study. [...] In terms of [...] my best overall prescription retinoids, we're looking at tretinoin of various degrees. I do use all of these at various times. [...] I'll put a dollop of this into like an SA cream, in a scoop in my hand, rub that together, and that becomes my body lotion."

How do the experts rate Tretinoin?

28 skincare experts weighed in on Tretinoin, giving it a Guru Score of 86%. 24 approve of it, 4 land on a mixed take, and none would skip it.

Where do skincare experts disagree on Tretinoin?

This is about as close to a consensus as the gurus tend to reach. None of the experts who reviewed it came away negative. The four with mixed takes are not questioning whether tretinoin works but are flagging the adjustment phase, sometimes called retinoid uglies, as genuinely uncomfortable for some people, and they note that those with sensitive skin may need to dilute it by mixing a small amount into a moisturiser before applying, which is something at least one expert described doing on their own body. So the split is really between those who call it the single best anti-aging ingredient available and those who say it deserves that reputation but requires patience to get there.

Is Tretinoin worth it?

There is a lot of warmth for tretinoin among the gurus, and the practical steer that comes through is to get a prescription if circumstances allow, start at a lower concentration and build up gradually, and give it real time, because the research the experts point to suggests the results are meaningful but not immediate. Those who are pregnant are advised by the gurus to skip it entirely and explore alternatives. For anyone who finds even a low dose too irritating, the experts suggest an over-the-counter retinol as a gentler starting point while still working toward similar long-term goals. So is tretinoin worth it? On the strength of these takes, the gurus' answer is a clear yes, provided it comes with patience and a plan for the early weeks.

How long does tretinoin take to show results?

Several skincare experts put specific numbers on it: they say acne typically responds in about 2 to 3 months of consistent use, and improvements to hyperpigmentation and collagen need at least 4 to 6 months. One notes that collagen stimulation begins after 8 weeks of continuous use. The experts also warn that the early weeks often bring flaking, stinging, and redness, especially around the mouth. Most agree the results compound the longer you stick with it.

What should you pair with tretinoin in your routine?

The skincare experts consistently say to apply it at bedtime, since studies show it breaks down in both daylight and fluorescent light. Following up with a moisturizer is a common suggestion. One expert highlights azelaic acid as a useful pairing, noting it is calming and anti-inflammatory and can help you tolerate a higher strength with fewer side effects. One expert also warns against using tretinoin on the same night as exfoliants like mandelic acid.

Who should be cautious about using tretinoin?

Two groups come up most often in the experts' takes. Pregnant people are flagged repeatedly: several cite animal studies showing fetal effects at very high doses, and some describe removing it from their own routines during pregnancy. Those with very sensitive or reactive skin, rosacea, flushing, or a history of atopic dermatitis are the other group the skincare experts single out. One also warns that even long-term tretinoin users can experience random bouts of irritation out of nowhere.

The gurus who weighed in

Related guides

This guide reflects what 28 skincare experts said about Tretinoin across their videos, aggregated by The Guru Index. The Guru Score is our read on how warmly the experts talk about it. It is general information, not medical advice.