HAIR CLEANSING AGENT

PROBLEM TO BE SOLVED: To provide a hair cleansing agent that provides hair with excellent appearance stability and further provides excellent smoothness, and excellent voluminousness and fluffiness at the top of head, during the rinsing of hair that have been altered with aging and are damaged by being color-treated repeatedly such as conducting hair dye.SOLUTION: A hair cleansing agent composition comprises (A) a non-soap anionic surfactant, (B) an amphoteric surfactant, and (C) a cationic chitosan, wherein: the ratio (B/A) of the content (mass%) of the non-soap anionic surfactant (A) and the content (mass%) of the amphoteric surfactant (B) is 1.5 to 30; and the ratio (A/C) of the content (mass%) of the non-soap anionic surfactant (A) and the content (mass%) of the cationic chitosan (C) is 1 to 100. 【課題】加齢に伴い変化した髪質であって、白髪染めなどのカラーリングを繰り返すことによるダメージのある髪に対して、すすぎ時の髪のなめらかさ、頭頂部の髪のボリューム感、及び髪のふんわり感に優れ、外観安定性が良好である毛髪洗浄剤組成物の提供。【解決手段】（Ａ）非石鹸系アニオン性界面活性剤と、（Ｂ）両性界面活性剤と、（Ｃ）カチオン化キトサンと、を含有し、前記（Ａ）非石鹸系アニオン性界面活性剤の含有量（質量％）と、前記（Ｂ）両性界面活性剤の含有量（質量％）との質量比（Ｂ／Ａ）が１．５〜３０であり、前記（Ａ）非石鹸系アニオン性界面活性剤の含有量（質量％）と、前記（Ｃ）カチオン化キトサンの含有量（質量％）との質量比（Ａ／Ｃ）が１〜１００である毛髪洗浄剤組成物である。【選択図】なし