Synthetic peptide (trade name Matrixyl 3000) believed to work by muting the effect of chemical messengers known as interleukins in the skin that trigger an inflammatory response. Also seems to play a role in thickening skin that has become thinner due to age. 
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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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