The invention relates to the use, as an agent for treating human perspiration, in a cosmetic composition, of amino acid derivatives of formula (I) below:The invention also relates to a cosmetic process for treating perspiration and possibly the body odour associated with human perspiration, especially underarm odour. The invention also relates to novel amino acid derivatives of formula (II) that will be defined in detail hereinbelow, and to cosmetic or dermatological compositions containing them.
