PROBLEM TO BE SOLVED: To provide a decolorizer-dye remover composition which has good mixing properties of each agent constituting the decolorizer-dye remover, secures uniform decolorizing-dye removing properties for the hair, and is finished with good touch of the hair.SOLUTION: The decolorizer-dye remover composition is constituted of a first agent containing (A) at least one starch whose content is 1.0-20 mass% on preparing a mixture, (B) at least one persulfate, and (C) at least one alkali agent other than the persulfate whose content is 0.5-10 mass% on preparing the mixture, not less than 95 pts.mass out of 100 pts.mass alkali agent being occupied by a carbonate, a phosphate, and a basic amino acid and a second agent containing hydrogen peroxide.COPYRIGHT: (C)2010,JPO&INPIT【課題】脱色・脱染剤を構成する各剤の混合性が良好で毛髪に対する均一な脱色・脱染性を確保でき、毛髪の感触も良好に仕上がる脱色・脱染剤組成物を提供する。【解決手段】下記(A)成分~(C)成分を含有する第1剤と、過酸化水素を含有する第2剤を含んで構成される脱色・脱染剤組成物。(A)混合調製時の含有量が1.0~20質量%であるデンプンの1種以上。(B)過硫酸塩の1種以上。(C)過硫酸塩以外のアルカリ剤の1種以上であって、混合調製時の含有量が0.5~10質量%であり、その100質量部中の95質量部以上が炭酸塩、リン酸塩、塩基性アミノ酸によって占められる。【選択図】なし