An aluminum salt composition comprising an aluminum chlorohydrate having an aluminum to chloride molar ratio of about 0.3:1 to about 3:1, exhibiting a SEC chronatogram having a SEC Peak 4 to Peak 3 intensity ratio of at least 7, a SEC Peak 3 area of less than 5% of a total area of Peaks 1, 2, 3, 4, 5, and 6 in the SEC chromatogram, and a Peak 4 intensity greater than a Peak 5 intensity in aqueous solution.