PROBLEM TO BE SOLVED: To provide an effervescence bath agent product capable of supplying sufficient carbon dioxide gas to warm water and extending effervescence time greatly, and to provide a method of extending effervescence time of an effervescence bath agent.SOLUTION: An effervescence bath agent product 10 comprises: an effervescence bath agent 3 containing carbonate and organic acid a packaging material 1 which includes the effervescence bath agent 3, flows warm water into the packaging material 1, and discharges carbon dioxide gas generated by contacting with the flowed warm water to the outside and precipitation means 4 for submerging all the packaging material 1 including the effervescence bath agent 3 into the warm water.COPYRIGHT: (C)2014,JPO&INPIT【課題】十分な炭酸ガスを浴湯に供給するとともに、大幅な発泡時間の延長が可能な発泡入浴剤製品および発泡入浴剤の発泡時間を延長する方法を提供する。【解決手段】炭酸塩と有機酸とを含む発泡入浴剤3と、前記発泡入浴剤3を内包し、内部に浴湯を流入させるとともに、流入した浴湯と接触することにより発生した炭酸ガスを外部に放出させる包材1と、該発泡入浴剤3を内包した包材1を浴湯中に全没させるための沈降手段4とを備えた発泡入浴剤製品10とする。【選択図】図1
