Anti-Irritants , Plant Extracts , Skin-Identical/Repairing Ingredients
A fatty acid-type ingredient derived from plants. Beta-sitosterol occurs naturally in many fruits, vegetables, nuts, and seeds. It is similar to cholesterol, which occurs naturally in skin and is considered part of skin's intercellular matrix. Applied to skin, it is considered a good moisturizing and anti-inflammatory ingredient (Sources: Voprosy Pitaniia, Volume 81, 2012, pages 84-88; Phytomedicine, September 2012, pages 1,072-1,076; and , August 2012, pages 19-24. See cholesterol

«Back to Ingredient Dictionary

Shop for products with this ingredient

About the Experts

Paula Begoun is the best-selling author of 20 books on skin care and makeup. She is known worldwide as the Cosmetics Cop and creator of Paula's Choice. Paula's expertise has led to hundreds of appearances on national and international television including:

View Media Highlights

The Paula's Choice Research Team is dedicated to helping you find the absolute best products for your skin, using research-based criteria to review beauty products from an honest, balanced perspective. Each member of the team was personally trained by Paula herself.

585632-IIS4 v1.0.0.392 5/4/2015 10:13:21 PM
Skip to Top of Page

Free Email Sign-Up

- Expert Skin Care & Makeup News & Advice (twice a month)
- New product reviews on Beautypedia (twice a month)

Birthday (Optional)

[AutoDeliveryDescription goes here]
FREE Shipping on Everything | FREE Resist 25% Vitamin C Spot Treatment Trial Size on $50+