The invention relates to a cosmetic process for treating body odour, which comprises the following steps: (1) applying directly onto the areas of skin to be treated with a deodorant composition (A) comprising at least one deodorant active agent in a cosmetically acceptable medium； (2) ingesting at least one composition (B) comprising, in a medium that is suitable for oral application, at least one edible fragrancing substance capable of producing an odour from within the body out to the human keratin materials； the order of the steps being irrelevant and the application of compositions (A) and (B) possibly being simultaneous or sequential within a time interval ranging from 30 seconds to 12 hours. The invention also relates to a deodorizing kit or device comprising at least two compartments, characterized in that it comprises: - a first conditioning comprising composition (A) as defined previously； - a second conditioning comprising composition (B) as defined previously.
