An aqueous hair cleansing agent containing the following components (A),(B) and (C): (A): an anionic surfactant (B): a cationized tara gum and (C): an amino-modified silicone represented by a specific formula.本發明為一種水性毛髮洗淨劑,係含有下述成分(A)、(B)及(C):(A)陰離子界面活性劑;(B)陽離子化塔拉膠(tara gum);(C)以特定式表示之胺基改質聚矽氧。