Cholesterol-like molecules found in all plant foods; the highest concentrations are found in vegetable oils. Phytosterols in the natural diet may lower cholesterol (Sources: Annual Reviews of Nutrition, 2002, volume 22, pages 533–549; and Metabolism, May 2002, pages 652–656). However, regarding topical application, there is research showing that the high lipid content of phytosterols can make the skin extremely sensitive to light (Source: Photochemistry and Photobiology, September 1997, pages 316–325).

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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:

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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.

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