The invention relates to a self-foaming composition for topical application, comprising a medium which is cosmetically or pharmaceutically compatible with a topical application, and clobetasol propionate. Said composition can comprise a small quantity of foaming surfactants. Said composition comprises: at least one intermediate composition B comprising a gas-generating agent; at least one intermediate composition A comprising an agent for activating the gas-generating agent; and clobetasol propionate contained in at least one of said intermediate compositions A and B. The invention also relates to a kit or a single container comprising a plurality of compartments containing such a composition.