COSMETIC COMPOSITION COMPRISING A BACTERIAL LYSATE, A THICKENER AND A PARTICULAR SURFACTANT SYSTEM, AND COSMETIC TREATMENT PROCESS

摘要

The present invention relates to a cosmetic composition comprising: - a lysate of bacteria belonging to the genus Vitreoscilla sp. in a complete fermentation medium, -one or more thickeners, and -a surfactant system chosen from: (a) a system A comprising one or more anionic surfactants and one or more amphoteric or zwitterionic surfactants; (b) a system B comprising one or more anionic surfactants chosen from ethoxylated alkyl sulfates and salts thereof; and one or more anionic surfactants other than the said ethoxylated alkyl sulfates and salts thereof; or (c) a system C comprising one or more cationic surfactants comprising one or more permanent positive charges. The invention also relates to a cosmetic process for treating the scalp and/or keratin fibres, in particular for washing keratin fibres, using the said composition.