Composition (A) for cosmetic capillary treatment, comprises a non-associative polyurethane fixer (I) and a partially/totally neutralized or non-neutralised sulfonated polymer comprising a unit derived from an ethylenically unsaturated monomer (II) with non-aromatic sulfonic group, in a cosmetically compatible medium. Independent claims are also included for capillary cosmetic treatment, comprising applying (A) on the hair and rinsing after a suitable exposure time. and also the use of the composition as a hair product.La présente invention se rapporte à une composition de traitement cosmétique capillaire, comprenant au moins un polyuréthane fixant non associatif et au moins un polymère sulfoné partiellement ou totalement neutralisé ou non, comprenant au moins un motif dérivé dun monomère à insaturation éthylénique à groupement sulfonique non aromatique.
