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PEG-40 hydrogenated castor oil
Emollient ingredient that is a mixture of synthetic polyethylene glycol (PEG) with natural castor oil. It’s considered safe for use in cosmetics. The weight and size of this ingredient is too large to penetrate beyond skin’s surface, but that’s fine—this type of emollient is needed on the surface to stop moisture loss and keep skin feeling soft.
Reference for this information:
Toxicological Research, June 2015, pages 105-136
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!