Disclosed is a system of a hair shampoo composition and a hair conditioner composition, wherein the shampoo composition comprises a higher molecular weight and/or higher charge density cationic polymer, and wherein the conditioning composition comprises a cationic surfactant being an mono-long alkyl amine cationic surfactant and/or a polyol having a molecular weight of from about 40 to about 500. The system provides improved cleanness of the hair.