Silicone

Cetyl Dimethicone

Reviewed by Emma · Last updated 18 Aug 2026

Cetyl dimethicone is a silicone polymer that plays multiple roles in cosmetics

What Is Cetyl Dimethicone?

Cetyl dimethicone is a silicone polymer that plays multiple roles in cosmetics. It can be a foam-reducing agent, emollient, emulsifier, and occlusive (meaning it prevents water loss but does not suffocate skin).

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