Glycolic acid treats dry skin by exfoliating the skin’s surface and promoting cell turnover. It penetrates the top layer of the skin, breaking down the bonds between dead skin cells and allowing them to shed more easily. Glycolic acid is a type of alpha hydroxy acid (AHA). Alpha hydroxy acids are natural acids found in foods. Glycolic acid comes from sugarcane. Alpha hydroxy acids like glycolic acid work by... Glycolic acid (or hydroxyacetic acid; chemical formula HOCH2CO2H) is a colorless, odorless and hygroscopic crystalline solid that is highly soluble in water. It is used in various skin-care products. What is Glycolic Acid? Discover its uses, benefits for skin, and how it exfoliates, smooths wrinkles, and improves texture. Get radiant skin now!