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An inorganic salt primarily used as an antiperspirant agent to reduce sweat, and also as an astringent.
Beneficial for
May aggravate
Safety summary
Effective but can be irritating at high concentrations; generally safe when used as directed in antiperspirants.
CAS Number
7446-70-0
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.