vitamin D

A fat-soluble vitamin that may have antioxidant and skin-soothing benefits for skin, among other beneficial traits. Vitamin D is formed in the skin by sunlight (primarily unprotected exposure to UVB radiation), or may be obtained from fortified foods and oral supplements, which are the preferred methods compared to exposing your skin to sunlight.

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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!