Unlock the secrets of glycolic acid and transform your complexion with this in-depth guide from Smytten. 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. Originally derived from sugar cane, glycolic acid is one of the most commonly-used and effective alpha-hydroxy acids (AHA) in skincare. This powerful ingredient works by breaking down the bonds between dead skin cells to unclog the pores and gently purify the skin. Glycolic acid is a compound that naturally occurs in certain fruits, beets, and sugarcane. In its pure form, it is odorless and colorless. Cosmetic and pharmaceutical companies include glycolic ...