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A sodium salt of ethylenediamine tetramethylene phosphonic acid, widely used as a chelating agent in cosmetics. It binds to metal ions, preventing their interference with product stability, appearance, and performance, especially in formulations containing water.
Beneficial for
Safety summary
Generally considered safe for cosmetic use.
CAS Number
7651-99-2
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.