Cyclohexasiloxane is a kind of silicone oil, which is used as a film forming agent and smoothing agent in cosmetics. Cosmetics containing cyclohexasiloxane will become smoother and easier to apply on the skin. At present, the main varieties of silicone oil used in cosmetics are: polydimethylsiloxane, cyclopentamyldimethylsiloxane, cyclohexasiloxane, polymethylphenylsiloxane, polydimethylcyclosiloxane, silicone glycol copolymer, amine modified silicone oil, polysiloxane protein copolymers and emulsified silicone oil.

Silicone oil, as an important ingredient or additive in cosmetics, is widely used in skin cream, sunscreen, hair care products, shampoo, hair color products, shaving cream, antiperspirant, nail polish, eyebrow products and other products. The amount of silicone oil in various types of cosmetics is different, such as the application amount of polydimethylsiloxane in various types of cosmetics: Skin washing and cleaning cosmetics are generally 0.1-0.5%, antiperspirant cosmetics are generally 0.1-0.5%, shaving cosmetics are generally 0.5-2.0%, soap is generally 1.0-3.0%, and sunscreen is generally 1.0-2.0%.