aluminum sulfate n a colorless salt Al2(SO4)3 that is a powerful astringent and is used as a local antiperspirant and in water purification
* * *
[USP] a powerful astringent, Al2(SO4)3ยทxH2O, used topically as a local antiperspirant; also used as a pharmaceutical necessity in the preparation of aluminum subacetate topical solution.Medical dictionary. 2011.