A synthetic amino acid derivative that functions as a skin conditioning and oil-control agent and may play a role in enhancing the penetration of other ingredients.

Research has shown that sarcosine can help minimize the impact UV light exposure has on skin’s surface, so you may find it included in various types of sunscreen. It’s considered non-sensitizing.

References for this information:
Journal of Controlled Release, January 2013, pages 91-100
International Journal of Toxicology, July-August 2012, pages 358-363
Skin Pharmacology and Physiology, January 2007, pages 155-161

See amino acids

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!