Can you use AHAs (glycolic / lactic acid) with Kojic acid?
Kojic acid is among the more irritating brightening ingredients, and an AHA on top of it compounds that. Alternate nights rather than layering; a stinging, reddened barrier will hold pigment longer, not clear it faster.
Commonly advised: Frequently recommended by formulators; direct evidence can be limited.
An alpha-hydroxy acid that exfoliates for a smoother-looking surface; usually evening.
All pairings →A fungal-derived ingredient used for the look of uneven tone; can be more irritating than its gentler cousins.
Read the reference →Cosmetic layering guidance for the look and feel of your routine — not medical advice. Patch-test new combinations.