PROBLEM TO BE SOLVED: To provide a one-component or multi-component foamable skin external preparation that is easy to use and has good effect on the skin after use.SOLUTION: A one-component or multi-component foamable skin external preparation comprises an acidic substance, a carbon dioxide generating substance that reacts with the acidic substance to generate carbon dioxide, and surfactant, where the foamable skin external preparation comprises, as the surfactant, at least one amino acid-based surfactant.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】使いやすさや使用後の肌における効果が良好な一剤型又は多剤型の発泡性皮膚を提供すること。【解決手段】酸性物質、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、及び界面活性剤を含む一剤型又は多剤型の発泡性皮膚外用剤であって、前記界面活性剤として、少なくとも1種のアミノ酸系界面活性剤を含むことを特徴とする、発泡性皮膚外用剤。【選択図】なし
