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fuller's earth

Mineral substance that is similar to kaolin (a clay). Composed mainly of alumina, silica, iron oxides, lime, magnesia, and water, it is used as an absorbent and thickening agent in cosmetics.

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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:

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