Trehalose is a water-binding plant sugar that has hydrating properties for skin. Learn more at Paula's Choice.

References for this information:

Applied Microbiology and Biotechnology, February 2018, pages 2,965-2,976
Journal of Applied Polymer Science>, May 2017, pages 1-6
Biomedical Reports, September 2014, pages 755-759
Journal of Pharmaceutical Sciences, June 2011, pages 2,020-2,053

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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!