Post-foaming cosmetic cleansing preparation on an aqueous basis which is suitable for dispensing from an aerosol container, containing in a conventional aqueous base preparation a) detersive surfactants with saturated radicals, preferably anionic surfactants and non-ionic surfactants and/or amphoteric surfactants, b) 2.5 to 25% by volume, preferably 5 to 20% by volume, particularly preferably 7.5 to 15% by volume of pure oxygen.