Pullulan is a glucan gum produced by black yeast that contains polysaccharides, which makes it a good water-binding agent, thickening agent, and antioxidant.

References for this information:

Journal of Functional Biomaterials, March 2020, pages 1-17
International Journal of Biological Macromolecules, December 2019, pages 290-298
Journal of Tissue Engineering and Regenerative Medicine, November 2019, pages 1,965-1,977
International Journal of Basic and Applied Sciences, 2012, pages 202-219

See beta-glucan mucopolysaccharide

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!