PROBLEM TO BE SOLVED: To provide a composition for preparing an external carbon dioxide agent having cosmetic and medical effects.SOLUTION: The composition comprises: a granular mixture containing a water-soluble acid, a thickener, and a water-soluble dispersant which is a different substance from the thickener as the essential components wherein the thickener is mixed with the water-soluble acid, and the water-soluble dispersant and a viscous composition containing a carbonic acid salt, water, and a thickener as the essential components which is to be mixed with the granular mixture before using. According to the present invention, preparation is easily carried out within a short time, clothing and the like are not fouled, and more potent cosmetic and medical effects are quickly obtained.COPYRIGHT: (C)2012,JPO&INPIT【課題】美容効果及び医療効果を有する二酸化炭素外用剤を調製するために用いられる組成物の提供。【解決手段】水溶性酸、増粘剤と、この増粘剤とは別の物質である水溶性分散剤を必須成分とし、前記増粘剤が前記水溶性酸及び前記水溶性分散剤と混合されている粒状物と、炭酸塩、水、増粘剤を必須成分とし、使用時に前記粒状物と混合する粘性組成物とを含んでなる二酸化炭素外用剤調製用組成物。【効果】調製が短時間で容易に行え、衣服等を汚すことがなく、より強い美容及び医療効果が短期間で得られる。【選択図】なし