PROBLEM TO BE SOLVED: To provide a hair detergent composition which gives favorable foaming with creamy texture during washing the hair, smooth finger combing with no creaking on rinsing, provides hair gloss after drying the hair with no lack of voluminous feeling even after passage of time, and gives sufficient foamability with only one time use when the hair is washed next time.SOLUTION: The hair detergent composition contains following ingredients (A), (B), and (C): (A) 5-40 mass% of one or more surfactants selected from anionic surfactants, amphoteric surfactants, and nonionic surfactants (B) 0.05-10 mass% of an arginine derivative represented by general formula (1) (wherein R1 and R2 each represent a hydrogen atom or a hydroxypropyl group, except for a case where both R1 and R2 represent a hydrogen, at least one of R1 and R2 represents a hydroxypropyl group, and R3 represents a hydrogen atom, an alkali metal atom, ammonium or organic ammonium) and (C) 0.01-5 mass% of a cationized polymer.COPYRIGHT: (C)2012,JPO&INPIT【課題】洗髪時に良好な泡立ちとクリーミーな泡質が得られ、すすぎ時の指通りがスムースであり、きしまず、乾燥後には毛髪にツヤを与え、時間が経過しても毛髪のボリューム感が不足することなく、かつ次の使用時にも一度の使用で十分な起泡性が得られる毛髪洗浄剤組成物の提供。【解決手段】次の成分(A)、(B)および(C)を含有する毛髪洗浄剤組成物。(A)アニオン性界面活性剤、両性界面活性剤およびノニオン性界面活性剤から選ばれる1種以上の界面活性剤5~40質量%、(B)下記一般式(1)で示されるのアルギニン誘導体0.05~10質量%、(C)カチオン化ポリマー0.01~5質量%。【選択図】なし