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The sodium salt of stearic acid, a fatty acid. It functions as a surfactant, emulsifying agent, and gelling agent, commonly used to solidify stick products like deodorants and lipsticks.
May aggravate
Safety summary
Generally considered safe for cosmetic use. It can be mildly irritating to sensitive skin in high concentrations.
CAS Number
822-16-2
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.