A cleansing composition containing the following components (A) to (C): (A) an anionic surfactant (B) a copolymer of a dialkyl diallyl ammonium salt/acrylamide (C) fatty acid alkanolamide and/or polyoxyethylene alkyl ether, wherein pH at 25° C., in 20 weight times water dilution, is 2 to 4.5. The present cleansing composition has a good foamability in hair washing, a fine-textured and soft foam quality, and in particular, a good smoothness in rinsing and lasting the smoothness longer in rinsing.