AHA (glycolic/lactic acid)
Alpha-hydroxy acids (glycolic, lactic, mandelic) that exfoliate the skin’s surface to smooth texture and fade marks.
How to use it
Use a few nights a week — never in the same session as another strong exfoliant or a retinoid. Follow with moisturizer and daily SPF.
Avoid combining with
Both speed cell turnover — together they can over-exfoliate and irritate.
→ Alternate nights, or use the AHA in the AM and the retinoid at night.
Stacking acidic actives disrupts skin pH and can damage the moisture barrier.
→ Separate them — e.g. vitamin C in the AM, the acid at night.
Multiple exfoliating acids in one session over-exfoliate the skin.
→ Use one exfoliant at a time, a few times a week — not layered daily.
Combining AHA and BHA in one session can over-exfoliate and irritate.
→ Pick one per session; limit total exfoliation to a few times a week.
Products with AHA (glycolic/lactic acid)
See all →
Building a routine with AHA (glycolic/lactic acid)?
Check it for conflicts →