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Also listed as PEG on ingredient labels, it helps keep products stable and performs functions similar to those of glycerin. Because polyethylene glycol can penetrate skin, it is also a vehicle that helps deliver other ingredients deeper into skin. Polyethylene glycol as used in cosmetics is purified for safety.
Reference for this information:
Drug Delivery, October 2016, pages 3,101-3,110
Toxicology, October 2005, pages 1-38
See propylene glycol
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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:
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