Disodium phosphate (disodium hydrogen phosphate) is a synthetically produced buffer that regulates and stabilizes the pH of cosmetic formulations. It can also act as a corrosion inhibitor.(1-2)
(1) Manufacturer's specifications
(2) Bährle-Rapp, M. (2012). Springer Encyclopedia of Cosmetics and Personal Care. 4th revised and expanded edition. Springer.
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