What it does
Adapalene is a synthetic retinoid that binds selectively to certain retinoid receptors, which gives it strong anti-acne activity with somewhat less irritation than older prescription retinoids. In much of the world it is available over the counter at 0.1%.
The adjustment period is real — expect dryness and possibly a purge for the first month or two — but it is the most evidence-backed option most people can buy for comedonal and inflammatory acne.
Unlike retinol it is stable in light and in the presence of benzoyl peroxide, which is why some clinicians are comfortable pairing the two where they would not pair benzoyl peroxide with retinol.
In a routine
Layers well with
- Ceramides
- Niacinamide
- Moisturiser
Do not layer with
- Glycolic acid
- Salicylic acid
Same routine is fine for some pairs — same step is the problem. Split them morning and evening when in doubt.
Patch-test protocol
Patch adapalene for three nights on the jaw or inner arm. Dryness and mild flaking can appear even on a patch; true allergy is less common than irritation. If the patch cracks or burns badly, buffer with moisturiser or delay facial use.
Include the moisturiser you will buffer with in the trial week — testing naked gel on the arm then sandwiching on the face is two different experiments.
Cosmetic caution for home use — not a diagnosis or medical advice. Stop and seek a professional if you get swelling, blistering, or symptoms that worry you.
Reintroducing after a break
After any break longer than a couple of weeks, return to twice-weekly application on dry skin, moisturiser after. The purge risk can reappear if you slam back to nightly use. Increase only after two quiet weeks at each step.
If you stopped for pregnancy or planned conception, do not restart without clinician clearance — retinoids are not a casual resume.
After a long pause, expect some dryness again even if you "finished purging" years ago. Photograph your baseline so you do not confuse normal adjustment with a reason to quit on day five.
Serum, cream, or encapsulated?
Gel is the classic OTC format and feels light on oily skin; cream versions (where available) buffer better for dry or sensitive users. Encapsulation is less discussed than with retinol, but moisturiser sandwiching achieves a similar comfort goal.
Pump gels help with hygiene and dose control versus jars. Pair with a bland moisturiser rather than an acid toner in the same evening while re-acclimating.
Pump gels reduce contaminated jars; cream adapalene (where sold) is the comfort format for dry climates. Neither format lets you skip sunscreen the next day.
