PROBLEM TO BE SOLVED: To provide a solid bathing agent having a combination of superior solubility and good molding and having also a high storage stability, which can enhance a warm bath effect by release of carbon dioxide gas, while using carboxymethylcellulose or its salt having a specific etherification degree and effectively embedding liquid bathing ingredients such as a high content of perfume and surfactant.SOLUTION: The solid bathing agent contains the following ingredients (A), (B), and (C): (A) nonaqueous liquid bathing ingredient (B) carboxymethylcellulose or its salt (b-1) having 0.01-0.5 of etherification degree and/or cellulose (b-2) surfaced with a watersoluble polymer and (C) carbon dioxide generator.COPYRIGHT: (C)2013,JPO&INPIT【課題】特定のエーテル化度を有するカルボキシメチルセルロース又はその塩を用い、高含有量の香料や界面活性剤等の液状浴用成分を有効に包埋しながら炭酸ガスの発生による温浴効果を高めることが可能な、優れた溶解性と良好な成型性とを兼ね備えた、高い保存安定性を有する固形浴用剤を提供する。【解決手段】次の成分(A)、(B)並びに(C):(A)非水液状浴用成分、(B)エーテル化度が0.01~0.5のカルボキシメチルセルロース若しくはその塩(b-1)、及び/又は水溶性高分子で表面処理されたセルロース(b-2)、並びに(C)炭酸ガス発生物を含有する固形浴用剤。【選択図】なし