PROBLEM TO BE SOLVED: To provide a hair cleansing agent which reduces the separation of a dye from dyed hair and suppresses discoloration due to hair washing.SOLUTION: There is provided a hair cleansing agent which is applied to dyed hair and comprises (A) an ampholytic surfactant and (B) a chelating agent, wherein the content of (A) the ampholytic surfactant is 1 to 30 mass%.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】染毛された毛髪からの染料の離脱を低減し、洗髪による退色を抑制する毛髪洗浄料を提供する。【解決手段】本発明は(A)両性界面活性剤、(B)キレート剤を含有し、前記(A)両性界面活性剤の含有量が1~30質量%である、染毛された毛髪に適用されることを特徴とする毛髪洗浄料。【選択図】なし
