| abstract |
An object of the present invention is to provide a foam-type external skin preparation that satisfies both the amount of foaming and holding power of carbon dioxide gas that appeals to the user's vision and good usability such as prevention of dripping from the skin. SOLUTION: A foam-type external preparation for skin comprising at least one salt selected from the group consisting of hydrophobically modified alkyl cellulose, carbonate and bicarbonate, and a water-soluble acid as essential components. The water-soluble acid is preferably a hydroxy acid, and the skin external preparation preferably contains a polyhydric alcohol such as propylene glycol, dipropylene glycol, 1,3-butylene glycol and 1,2-pentanediol. [Selection figure] None |