The present invention relates to an anhydrous composition in aerosol form comprising, in particular in a physiologically acceptable medium: a) an oily phase comprising at least one volatile oil A, and b) at least one antiperspirant active agent chosen from aluminium and/or zirconium salts or complexes, and c) at least one particular dispersion of polymer particles in a non-aqueous medium, and d) at least one propellant. The invention also relates to a cosmetic process for treating human perspiration, and optionally the body odours associated with human perspiration, in particular underarm odours, comprising the application of said composition to a surface of the skin.
