Beheneth-5 is a derivative of polyethylene glycol and non-drying behenyl alcohol that functions as an emulsifier and surfactant in skin care products. It can be synthetic or plant-derived.

References for this information:

International Journal of Toxicology, September-October 2012, Volume 31, Supplement 5, pages 169S-244S

See emulsifier surfactant

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!