Chlorhexidine is an odorless, white crystalline powder. In cosmetics and personal care products, Chlorhexidine and its salts (Chlorohexidine Dihydrochloride, Chlorhexidine Digluconate, Chlorhexidine Diacetate) are used in the formulation of eye makeup, makeup foundations, mouthwashes, hair dyes and bleaches, and other skin care and hair care products.