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The potassium salt of stearic acid, a fatty acid. It functions as a surfactant, emulsifier, and cleansing agent, widely used in soaps, creams, and lotions.
Beneficial for
May aggravate
Safety summary
Generally considered safe for cosmetic use.
CAS Number
593-29-3
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.