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INCI: POTASSIUM SODIUM TARTRATE
A double salt of tartaric acid, used as a buffering agent and chelating agent in cosmetics. It helps to stabilize pH and sequester metal ions.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
CAS Number
304-59-6
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.