A kit comprising at least two base liquids for the preparation of a body treatment composition is provided. In an exemplary kit, each base liquid contains at least about 10% by weight of a surfactant mixture comprising anionic surfactants, amphoteric surfactants and nonionic surfactants. In exemplary embodiments, the surfactant mixture comprises alkyl ether sulfates, alkyl amidoalkyl betaines and alkamide monoethanolamines.
