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- Categories: Preservatives
Group of compounds used in cosmetics in small quantities primarily as pH adjusters (they have a pH of 9 to 11). In larger amounts, due to their high pH, they can be significant skin sensitizers.
References for this information:
Biological Trace Element Research, winter 1998, pages 343–357
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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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