citrate buffer

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

See citric acid sodium citrate

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