An aqueous hair cleansing agent containing the following components (A), (B) and (C) and water:(A) an anionic surfactant(B) a specific organo polysiloxane and(C) one or more of cationized polymer(s) selected from (c-1) and (c-2):(c-1) a cationized polymer having cellulose skeleton or galactomannan skeleton and(c-2) a cationic polymer having diallyl dimethylammonium salt skeleton.
