retinoid

Adapalene

Evidencestrong · Tier 1Irritation riskModerateEffective range0.1–0.3%In products4

Selective RAR-β/γ agonist with anti-inflammatory properties. Photostable — the only retinoid safe for daytime use. Normalises follicular keratinisation and reduces comedone formation.

Concerns it helps

Concern	Strength	Studies	What the research says
Acne & breakouts	Excellent	1	Strong efficacy for comedonal acne across multiple phase 3 RCTs. Thiboutot 2006 (n=653) demonstrated superior efficacy of adapalene 0.3% gel over 0.1% gel and vehicle on total, inflammatory, and noninflammatory lesion…
Blackheads	Excellent	—	Strong efficacy for comedonal acne across multiple phase 3 RCTs. Thiboutot 2006 (n=653) demonstrated superior efficacy of adapalene 0.3% gel over 0.1% gel and vehicle on total, inflammatory, and noninflammatory lesion…
Post-acne marks	Excellent	—	Adapalene reduces PIH both by clearing the acne driving it and via retinoid pigment turnover; well-suited to post-acne marks.
Uneven texture	Strong	—	Loss et al. reported efficacy of adapalene 0.3% for atrophic acne scars with favorable quality-of-life outcomes. Interesting niche use.
Enlarged pores	Relevant	—	Adapalene reduces comedonal plugging that stretches pores; dedicated pore-appearance endpoints limited vs tazarotene.
Dark spots & hyperpigmentation	Relevant	—	Some lentigines/photodamage improvement but not a primary pigment agent. Marginal.
Fine lines & wrinkles	Relevant	—	Photoaging is an off-label use in most jurisdictions. Some evidence that adapalene 0.3% improves actinic keratoses and associated photodamage. Less rigorously studied for cosmetic photoaging than tretinoin or…

No known conflicts — Adapalene isn’t flagged against any concern or skin condition.

Strength reflects the ingredient’s effect on each concern; study counts match research whose findings relate to that concern.

The research

Adapalene is a retinoid backed by a large, consistent body of clinical evidence (evidence tier 1 of 4). We track 6 studies for it, 6 reporting a positive effect. It is typically effective at 0.1–0.3% in a formulation.

Read the research — 6 studies

Adapalene gel 0.3% for the treatment of acne vulgaris: A multicenter, randomized, double-blind, controlled, phase III trial

Q80

Journal of the American Academy of Dermatology · 2006 · rct · n=653

Randomized controlled trial (n=653, 12 weeks): Pivotal adapalene 0.3 vs 0.1 vs vehicle phase 3.

Efficacy and safety of adapalene gel, 0.3% in acne vulgaris

Q80

Journal of the American Academy of Dermatology · 2004 · rct · n=653

0.3% adapalene achieved superior reduction in inflammatory and non-inflammatory lesions vs 0.1%, with acceptable tolerability.

A comparison of the efficacy and tolerability of adapalene 0·1% gel versus tretinoin 0·025% gel in patients with acne vulgaris: a meta‐analysis of five randomized trials

Q80

British Journal of Dermatology · 1998 · meta analysis

Meta-analysis: Meta analysis of five RCTs confirming adapalene class effect.

Adapalene gel 0.1% vs tretinoin gel 0.025%: efficacy and tolerability in acne

Q75

Journal of the American Academy of Dermatology · 1996 · rct · n=297

Comparable acne reduction to tretinoin with significantly less irritation, dryness, and erythema.

Long-term safety and efficacy study of adapalene 0.3% gel

Q60

Journal of Drugs in Dermatology · 2008 · observational · n=551

Clinical study (n=551, 52 weeks): Long term safety and efficacy 52 week.

Chemical stability of adapalene and tretinoin when combined with benzoyl peroxide in presence and in absence of visible light and ultraviolet radiation

Q20

British Journal of Dermatology · 1998 · in vitro

Chemical/photostability testing: adapalene remained stable under visible light and UV irradiation (alone and combined with benzoyl peroxide), whereas tretinoin degraded substantially under the same conditions, supporting adapalene's superior photostability.

Products with Adapalene

In 4 products — most often serums (3), moisturizers (1), from $42.99 to $42.99. Set up a profile to rank these for your skin. Click any product to learn more.