The present invention relates to a deodorant cosmetic composition comprising: (a) at least one lipophilic salicylic acid derivative of formula (I) below, or a salt thereof: (b) at least one antiperspirant aluminum salt; in an (a)/(b) weight ratio of less than 1/20. The invention also relates to a cosmetic process for treating human perspiration and human body odor, in particular underarm perspiration and underarm odor, using this composition. The invention relates to the use of a combination of at least (a) one lipophilic salicylic acid derivative of formula (I), or a salt thereof, and of at least (b) one antiperspirant aluminum salt, in an (a)/(b) weight ratio of less than 1/20, as a deodorant active agent in a cosmetic composition.