The present invention provides a foamable composition that can provide a pleasant stimulus when a foam pops and that maintains a proper cooling feeling. An emulsified stock solution containing water, a surfactant, and a hydrofluoroolefin, and a compressed gas, wherein the hydrofluoroolefin has a boiling point of 5 to 30 ° C and is contained in the emulsified stock solution at 40 to 90% by mass. Effervescent composition. [Selection diagram] None【課題】泡が弾ける際に心地よい刺激が得られ、かつ、適度な冷却感が持続して得られる発泡性組成物を提供する。【解決手段】水と界面活性剤とハイドロフルオロオレフィンとを含む乳化原液と、圧縮ガスとからなり、ハイドロフルオロオレフィンは、沸点が５～３０℃であり、乳化原液中、４０～９０質量％含まれる、発泡性組成物。【選択図】なし
