FIELD: cosmetic compositions for hair washing and conditioning. SUBSTANCE: composition contains, in cosmetically-acceptable liquid, washing base including at least one anionic surface-active substance of alkylethersulphate type; at least one surface-active substance of alkylbetaine type; conditioning system, including at least one cationic dimethyldiallylammonium polymer; and at least one aminated silicon. Washing and conditioning is carried out by applying required quantity of composition on wet hair. Composition ensures softness of hair, its easy combing and gives hair a volume. EFFECT: improved washing ability. 13 cl, 2 ex
