Ingredient

Mandelic acid (AHA)

On labels: Mandelic Acid

Large, slow-penetrating AHA that is kinder to sensitive skin.

What it does

Exfoliates

Evidence

Evidence: Moderate · Some good studies; results vary from person to person.

Often chosen for

Rough texture, Breakout-prone skin, Dark spots and post-breakout marks

Skin types

Oily, Combination, Normal, Sensitive

Typical amount

2-10% in a formula

Best time

Evening