PROBLEM TO BE SOLVED: To provide an aqueous hair shampoo exhibiting good foamability and foam quality and enabling hands and fingers to be moved easily at foaming, even when the damaged hair is shampooed, and exhibiting excellent removability of the foam at the shampooing and providing reduced remaining feeling at rinsing.SOLUTION: The aqueous hair shampoo contains (A) an anion surfactant, (B) a cationized hydroxypropyl cellulose having a specific construction, (C) a polyoxyethylene alkyl ether-type nonionic surfactant having a specified construction.COPYRIGHT: (C)2013,JPO&INPIT【課題】傷んだ毛髪でも、泡立ち、泡質が良く、泡立て時に手や指が動かし易く、洗髪時の泡切れに優れ、すすぎ時の残留感が抑制される水性毛髪洗浄剤を提供する。【解決手段】成分(A):アニオン界面活性剤、成分(B):特定の構成を有するカチオン化ヒドロキシプロピルセルロース、成分(C):特定の構成を有するポリオキシエチレンアルキルエーテル型ノニオン界面活性剤および水を含有する、水性毛髪洗浄剤。【選択図】なし