PROBLEM TO BE SOLVED: To provide a kit for hair-treating agents, excellent in preservation stability of each of agents, also having an optimal viscosity after mixing for preventing dripping down from the hair, excellent in extension property on the hair and further capable of reducing an irritating smell of such as an alkaline agent, etc.SOLUTION: This kit for the hair-treating agents for use in hair-bleaching or oxidative hair-dyeing, and containing a first agent containing an alkaline agent and a second agent containing an oxidant is provided by without containing a nonionic surfactant, but containing (A) dialkyl phosphate, and (B) water-soluble polysaccharides.COPYRIGHT: (C)2008,JPO&INPIT【課題】各剤の経時保存安定性に優れ、かつ、混合後は最適な粘度を有して毛髪からの液垂れを防止して毛髪上での延展性に優れ、さらにアルカリ剤などの刺激臭を低減することができる、毛髪処理剤用キットを提供すること。【解決手段】アルカリ剤を含有する第1剤と、酸化剤を含有する第2剤とを含む毛髪処理剤用キットであって、非イオン性界面活性剤を含有せず、(A)リン酸ジアルキル、及び(B)水溶性多糖類を含有してなる毛髪脱色用又は酸化染毛用の毛髪処理剤用キット。【選択図】なし