alpha hydroxy acids, aha. glycolic c2h4o3, lactic c3h6o3, malic c4h6o5, tartaric c4h6o6, citric c6h8o7, mandelic acid

acid aha glycolic c2h4o3 lactic c3h6o3 malic c4h6o5 tartaric c4h6o6 citric c6h8o7 c8h8o3 biochemistry biology biological dermatology medicine model skin alpha health skeletal supplement body care additive antioxidant beauty hydroxy cosmetic carbon hydrogen oxygen bactericidal peeling preservative schematic atomic molecule structure science chemical chemistry atom molecular illustration vector