PROBLEM TO BE SOLVED: To provide a sparkling topical agent which is easily handled and contains an acidic substance and a carbon dioxide generating substance that reacts with the acidic substance to generate carbon dioxide, the sparkling topical agent being excellent in stability and durability and not causing a problem of unexpected generation of carbon dioxide during manufacture or storage of the sparkling topical agent.SOLUTION: A sparkling topical agent is provided as a single formulation or multiple formulations including two or more formulations. One of the formulations includes at least an acidic substance and a carbon dioxide generating substance that reacts with the acidic substance to generate carbon dioxide. The sparkling topical agent is characterized in that the acidic substance and the carbon dioxide generating substance are included not in physical contact with each other, or in that the one formulation does not contain water.COPYRIGHT: (C)2015,JPO&INPIT【課題】取り扱いが簡便で、酸性物質と前記酸性物質と反応して炭酸ガスを発生する炭酸ガス発生物質とを含有する発泡性皮膚外用剤において、発泡性皮膚外用剤の製造時や保管時に予期せぬ炭酸ガスの発生という問題を生じることがない、安定性、耐久性に優れた発泡性皮膚外用剤を提供すること。【解決手段】一剤型、又は、二剤以上の多剤型の発泡性皮膚外用剤であって、いずれか同一剤内に少なくとも酸性物質と前記酸性物質と反応して炭酸ガスを発生する炭酸ガス発生物質とを含有し、前記酸性物質と前記炭酸ガス発生物質が互いに物理的に接触しないように配合すること、もしくは、前記同一剤内に水分を含有しないようにすることを特徴とする。【選択図】なし