PROBLEM TO BE SOLVED: To provide a method for producing an effervescent bath agent composition excellent in sufficient warming effects and carbon dioxide gas effervescence.SOLUTION: This production method of the effervescent bath agent composition comprises: a step 1 of mixing an organic acid, a nonionic surfactant in an amount of 0.1 pt.mass or more based on 100 pts.mass of the organic acid and a water-soluble binder with one another to produce a mixture a step 2 of subjecting the mixture obtained in the step 1 to granulation, compression molding, or granulation and subsequent compression molding to produce granules or a compressed molding a step 3 of mixing the granules or the compressed molding produced in the step 2 with a carbonate salt.COPYRIGHT: (C)2012,JPO&INPIT【課題】十分な温まり効果と炭酸ガスの発泡性に優れる発泡性入浴剤組成物の製造方法の提供。【解決手段】下記工程を含む、発泡性入浴剤組成物の製造方法。工程1:有機酸、有機酸100質量部に対し0.1質量部以上の非イオン界面活性剤、及び水溶性バインダーを混合し、混合物を得る工程工程2:工程1で得られた混合物を造粒、圧縮成形、又は造粒後に圧縮成形し、造粒物又は圧縮成形物を得る工程工程3:工程2で得られた造粒物又は圧縮成形物と、炭酸塩を混合する工程【選択図】 なし
