PROBLEM TO BE SOLVED: To provide a hair washing composition for enhancing hair dyeability using a hair dye such as a hair color, a color rinse, and a color treatment.SOLUTION: A hair washing composition for enhancing hair dyeability comprises surfactant and water, and has a pH of 7-11 when diluted 10 times with purified water.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】ヘアカラー、カラーリンス、カラートリートメント等の染毛剤を用いる毛髪の染性を増強させるための毛髪洗浄組成物を提供すること。【解決手段】界面活性剤と水とを含有し、精製水で10倍に希釈した時のpHが7~11である、毛髪の染色性を増強させるための毛髪洗浄組成物。【選択図】なし