PROBLEM TO BE SOLVED: To provide a bath agent composition which can give an excellent cool feeling while generating carbon dioxide in bath water.SOLUTION: A bath agent composition comprises following components (A)-(E): (A) organic acid (B) carbonate (C) nonionic surfactant (D) oil solution (E) l-menthol or a derivative thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】浴水中で炭酸ガスを発生しつつ、良好な冷涼感をもたらすことのできる浴用剤組成物に関する。【解決手段】次の成分(A)~(E): (A)有機酸 (B)炭酸塩 (C)ノニオン界面活性剤 (D)油剤 (E)l-メントール又はその誘導体を含有する浴用剤組成物。【選択図】なし