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- Categories: Miscellaneous
Citrate buffer is a buffered mixture of the cosmetic ingredients sodium citrate and citric acid. It functions in cosmetics as a pH-adjusting ingredient to keep products in the acidic range of the pH scale.
It can be sensitizing when used in high amounts, but the tiny amounts needed to establish a pH in cosmetics are not harmful to skin.
References for this information:
International Journal of Pharmaceutics, May 2017, pages 222-231
Results in Pharma Sciences, May 2011, pages
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