09.01.16
US Patent No. 9,393,185 B2; Kao Germany has patented an aqueous cleansing composition for keratin fibers. It contains at least one first mono ester anionic surfactant selected from sodium cocoyl isethionate and ammonium cocoyl isethionate; at least one second anionic amide surfactant; at least one third anionic surfactant which is different from the first and second surfactants; at least one nonionic surfactant selected from alkyl polyglucosides. The composition is free of amphoteric surfactant and has a pH in the range from 2.5 to 6.5.