Sodium citrate is used primarily to control the pH level of a product, this ingredient also has antioxidant and preservative properties.
References for this information:International Journal of Toxicology, May 2014, pages 16S-46S
About the Experts
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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