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Adapalene in skincare
Most tolerable retinoid; OTC 0.1% available; excellent for acne and anti-aging.
More flexible than other retinoids. Can technically be used AM or PM due to its photostability (does not degrade under UV) and lower photosensitization compared to tretinoin and retinol. Clinical dermatology still recommends PM application to reduce any residual photosensitivity risk. If used in AM, apply SPF 30+ afterward. PM use is the standard protocol. Can be used in some cases twice daily once skin is fully acclimated.
What it is
Adapalene is a third-generation synthetic naphthoic acid retinoid with selective binding for RARβ and RARγ, giving high specificity for skin with reduced systemic and teratogenic risk vs tretinoin. More photostable than tretinoin. FDA approved 0.1% Differin OTC for acne (2016). 0.3% prescription version for resistant acne and anti-aging. Significantly less irritating than tretinoin. Pairs synergistically with benzoyl peroxide.
The facts
| Category | Synthetic Retinoid (3rd Generation) |
| Typical use | Morning and evening |
| Concentration YARAI treats as a full dose | 0.3% |
Why the amount matters, not just the presence
Most ingredient checkers tell you whether something is in the bottle. That is a smaller question than it sounds. Adapalene at 0.3% and adapalene at a trace level are not the same ingredient in any way that affects your skin.
An ingredient list is ordered by quantity, so position carries real information. YARAI reads that position and scores accordingly, which is why the same ingredient can land differently in two different products.
The honest limit: a list gives order, not percentages. Estimating concentration from position is an estimate. It is a better estimate than ignoring position, and it is still an estimate. We would rather tell you that than let a number look more certain than it is.
Using it with something else
Adapalene appears in 5 of the pairs YARAI checks. Each page gives the severity, the chemical mechanism, the evidence tier and the source:
- Can you use retinol and glycolic acid together?
- Can you use retinol and salicylic acid together?
- Can you use retinol and lactic acid together?
- Can you use retinol and mandelic acid together?
- Can you use benzoyl peroxide and retinol together?
Common questions
What does adapalene do in a skincare product?
Most tolerable retinoid; OTC 0.1% available; excellent for acne and anti-aging.
How much adapalene should a product contain?
YARAI treats 0.3% as a full dose for this ingredient. Below that, the ingredient is present but is scored as contributing less. An ingredient list gives you the order of ingredients, not their percentages, so this is an estimate read from position rather than a measurement.
When should I use adapalene?
More flexible than other retinoids. Can technically be used AM or PM due to its photostability (does not degrade under UV) and lower photosensitization compared to tretinoin and retinol. Clinical dermatology still recommends PM application to reduce any residual photosensitivity risk. If used in AM, apply SPF 30+ afterward. PM use is the standard protocol. Can be used in some cases twice daily once skin is fully acclimated.
Check your own products
Point your camera at a product. YARAI identifies it from the label, finds that product's full ingredient list from published sources, and scores it. No barcode and no box needed, which is how it handles imported and small-brand products.
Concern level, category and thresholds on this page are read directly from the same data the YARAI app scores with, so this page and the app cannot disagree. EU figures cite Regulation (EC) No 1223/2009. Last built 2026-10-12. Nothing here is medical advice.