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How to start retinol: the 3 beginner picks experts actually recommend

Olay Retinol 24, Shani Darden Retinol Reform and the budget pick experts keep recommending.
Updated Jun 30, 2026
Olay product
Shani Darden product
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Retinol is the ingredient almost everyone messes up on their first go: too strong, too fast, and then a week of a flaky, peeling face and a promise to never touch it again. So we went looking for what the experts actually start beginners on. Three names kept coming up, one for every budget: Olay Regenerist Retinol 24, Shani Darden Retinol Reform, and Differin Adapalene. Here is the thing, and it is the whole point: none of them is the strongest option on the shelf. The gentler rungs of the retinoid ladder are the forgiving ones, which is exactly where a beginner should start.

Below the picks you will find what retinol really is, how it compares to a retinoid, why the "purge" happens, and how to start without torching your skin.

What the gurus found

The 3 beginner picks, by budget

Each of these lives low enough on the strength ladder to be forgiving, and each has a budget lane. Tap any card to see every guru on record.

PickBudget tierWhere it sits on the ladder
Olay Regenerist Retinol 24DrugstoreRetinol (the classic beginner rung)
Shani Darden Retinol ReformPremiumRetinol (prints its percentage on the label)
Differin AdapaleneBudgetAdapalene (strongest of the three, star for acne and blackheads)

Two of these come with a quote worth pulling out. On the Shani Darden Retinol Reform, dermatologist Dr. Shereene Idriss notes it is now at 1% and that "she does label the percentage of her retinol," a real plus for beginners who want to know their strength. And on Differin, Doctorly sums up why it earns its place for anyone fighting congestion: "a great product for blackheads."

For the full set of takes behind every pick, open each product's card or browse all of the experts we track.

Wait, what even is retinol? (and retinol vs retinoid)

"Retinol" is the casual name people use, but it is really one member of a whole family of vitamin A ingredients called retinoids. So retinol vs retinoid is not a fight: retinol is a type of retinoid, one rung on a bigger ladder. Retinoids are about the most proven anti-aging ingredient in all of skincare. Decades of research show they speed up skin-cell turnover, boost collagen, fade dark spots, and help clear breakouts.

One catch explains the whole beginner strategy. Skin can only actually use one final form of vitamin A, and most drugstore products do not contain that form directly. They contain a "starter" version the skin has to convert, and that conversion happens in steps. Each step down the chain is a little gentler than the one above it. The further down a product starts, the milder and more forgiving it is, which is exactly what a beginner wants.

The retinoid strength ladder, weakest to strongest

Think of it as a ladder. Beginners want the bottom rungs.

RungStrengthNotes
Retinyl esters (e.g. retinyl palmitate)GentlestGreat for nervous or very sensitive skin, but the slowest results
RetinolMildThe drugstore classic. Olay Regenerist Retinol 24 and Shani Darden Retinol Reform live here, which is why experts reach for them first
Retinaldehyde (retinal)MediumOne step stronger than retinol, still available without a prescription
Adapalene (Differin)StrongerUsed to be prescription-only, now on shelves. Strongest of our three picks and a star for acne and blackheads
TretinoinStrongestPrescription strength, the most proven of the bunch, and the least forgiving. Not the place to start

The "retinol purge" is normal: meet retinization

Almost everyone hits an awkward few weeks when they start a retinoid, nicknamed retinization (you will also see it called the "retinol purge"): some dryness, flaking, a little redness while the skin adjusts to working faster. It is normal and it passes.

It is different from a true allergic reaction, which means real burning, swelling, or hives, and means stop. The classic rookie mistake is reading that flaking as failure and either quitting or, worse, scrubbing the flakes off with acids and exfoliants, which just beats up skin that is already adjusting.

How do you start retinol without the peeling-face phase?

Every expert says basically the same five words: start low, go slow, buffer. In practice, here is how to start retinol step by step.

  1. Start low: two nights a week. Begin with just two nights a week and work up slowly over a month or two as your skin gets comfortable.
  2. Go slow: a pea-sized amount. A pea-sized amount covers the entire face. More does not work better, it just irritates more.
  3. Buffer with the "sandwich." Apply moisturizer, then retinol, then moisturizer again (or just moisturizer first). It slows things down and is much kinder to sensitive skin.
  4. PM only. Retinoids break down in sunlight and make skin more sun-sensitive, so they are a night-time thing.
  5. Daily SPF, non-negotiable. Daily sunscreen is genuinely part of using retinol. Skip it, and the benefits unravel while irritation creeps in. If you want the fuller reasoning on how retinoids work, the American Academy of Dermatology has a plain-language guide to retinol and retinoids.

Who should hold off (or check with a doctor first)

Retinoids are not recommended during pregnancy or breastfeeding. That is the firmest rule in the whole category, so that one is a conversation for a doctor, not a guide.

For eczema, rosacea, or a damaged barrier, ease in extra gently or get a dermatologist's blessing first. And there is no need to pile retinol on top of strong acids, benzoyl peroxide, or vitamin C when you are starting out. That combo is a one-way ticket to irritation. One active at a time, with room to breathe. For the logic behind every pick and score, see how The Guru Index works.

Frequently asked questions

How do I start using retinol?

Start low, go slow, buffer. Use it just two nights a week to begin, a pea-sized amount for the whole face, at night only, with daily SPF the next morning. Build up frequency over a month or two as your skin adjusts. The "sandwich" (moisturizer, retinol, moisturizer) makes it gentler if your skin is sensitive.

What retinol is best for beginners?

The experts keep naming three, one per budget: Olay Regenerist Retinol 24 (drugstore), Shani Darden Retinol Reform (premium), and Differin Adapalene (budget). None is the strongest option, and that is the point. Gentler, lower rungs on the retinoid ladder are the forgiving ones, which is exactly what a beginner wants.

Is the retinol purge normal?

Yes. The adjustment weeks, nicknamed retinization or the "retinol purge," bring some dryness, flaking, and mild redness as skin starts working faster. It is normal and it passes. It is different from a true allergic reaction, which means burning, swelling, or hives, and means stop.

Retinol vs retinoid: what's the difference?

Retinoid is the whole family of vitamin A ingredients. Retinol is one member of that family, a mild rung most drugstore products use. Stronger retinoids include retinaldehyde, adapalene, and prescription tretinoin. So retinol is a retinoid, just a gentler one, which is why it is a common starting point.

Can I use retinol while pregnant?

Retinoids are not recommended during pregnancy or breastfeeding, and that is the firmest rule in the category. If you are pregnant, breastfeeding, or planning to be, talk to your doctor before using any retinoid.

Referenced products
How we make money. We don't test products. We gather what the most trusted skincare experts on YouTube have already said in public and add it up honestly. A shopping link may earn The Guru Index a small commission, but it never sways a verdict. This is general guidance on how retinoids work, not a substitute for advice from a board-certified dermatologist, especially during pregnancy or with a diagnosed skin condition.