| http://www.w3.org/ns/prov#value | - The surfactant substance can be present in the shampooing agent in a concentration between 0.001 wt% and 99.999 wt%. [0078] The compositions of the invention contain, apart from the afore-mentioned surfactants, water and optionally the additives which are conventional in cosmetics, for example perfume, thickener, dyestuffs, deodorants, antimicrobial materials, back-fatting agents, complexing and s
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