20% Off Sitewide + Free Shipping on All Orders
+ FREE Full-Size Brightening Treatment on $100+  Code: GIFT1  Details

fatty acid

Substance typically found in plant and animal lipids (fat). Fatty acids include compounds such as glycerides, sterols, and phospholipids. They are used in cosmetics as emollients, texture enhancers, and, when mixed with glycerin, cleansing agents.

References for this information:

Free Radical Research, April 2002, pages 471–477

Journal of Lipid Research, May 2002, pages 794–804

See natural moisturizing factor (NMF)

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:

View Media Highlights

 

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!