FIELD: cosmetology. SUBSTANCE: composition includes washing base in cosmetically acceptable medium containing at least one anionogenic surface-active substance of alkylethersulfate type and conditioning system containing at least one insoluble nonamino silicon and at least one cation polymer selected from homopolymers of diallyldimethylammonia. The method of washing and conditioning keratin substances such as hair is carried out by applying required quantity of composition on wet hair and washing it out by water. The composition gives hair better easy combing, volume, softness and shine. EFFECT: improved washing ability. 11 cl, 3 tbl, 3 ex
