slip agent

Term used to describe a range of ingredients that help other ingredients spread over skin and penetrate into it. Slip agents also have humectant properties. Slip agents include butylene glycol, glycerin, polysorbates, and propylene glycol, to name a few. They are as basic to the world of skincare as water.

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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!