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).

References for this information:

Pakistan Journal of Pharmaceutical Sciences, January 2016, pages 173–178
International Journal of Toxicology, Supplement 2, 2003, pages 11–35
Journal of Cosmetic Science, November-December 2004, pages 509–518

See silicone

Back to Ingredient Dictionary

About the Experts

Paula Begoun is the best-selling author of 20 books about skincare and makeup. She is known worldwide as The Cosmetics Cop and creator of Paula’s Choice Skincare. Paula’s expertise has led to hundreds of appearances on national and international radio, print, and television including:

The Paula's Choice Research Team is dedicated to busting beauty myths and providing expert advice that solves your skincare frustrations so you can have the best skin of your life!