PROBLEM TO BE SOLVED: To provide a hair-dyeing or bleaching kit that has a simple container structure, can easily form foam, can be easily applied to hair evenly by even a person who is not familiar with the kit, and has high degree of freedom of formula, excellent storage stability of agent, and satisfactory dye-affinity.SOLUTION: A hair-dyeing or bleaching kit that includes: a first agent which contains an alkali agent and further contains an oxidation dye intermediate in the case of a hair-dyeing kit； a second agent which contains an oxidizer； and a sealed container which is openable/closable and has anti-slip means of a convex shape with respect to both in longitudinal and lateral directions on a surface, into which the first agent and the second agent are input and shaken to form foam of mixture.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】容器構造が単純であり、簡便に泡を形成でき、慣れない人であっても簡単に毛髪にムラなく適用でき、処方の自由度が高く、剤の保存安定性にも優れており、染色性も良好な染毛又は脱色キットの提供。【解決手段】アルカリ剤を含有し、染毛キットの場合には更に酸化染料中間体を含有する第１剤、酸化剤を含有する第２剤、並びに第１剤及び第２剤を投入し振とうして混合液の泡を形成するための、開閉可能で表面に凸形状の縦方向、横方向の両方向に対する滑り止め手段を有する密閉容器を含む染毛又は脱色キット。【選択図】図１
