The present invention relates to a cosmetic antiperspirant agent containing a) at least one substance selected from the group of cosmetic oils which are liquid at 20° C. and 1013 hPa, odorants, and waxes, b) at least one antiperspirant aluminum salt in a total quantity of 1 to 80% by weight, based on the total weight of the cosmetic antiperspirant agent, and c) at least one particular alpha-hydroxy acid. The addition of the at least one alpha-hydroxy acid results in effective activation of the at least one antiperspirant aluminum salt and very good stabilization of this activated state.
