Patent 7709430 was granted and assigned to Kao Corporation on May, 2010 by the United States Patent and Trademark Office.
A cleansing composition containing the following components (A) to (C):(A) an anionic surfactant(B) a copolymer of a dialkyl diallyl ammonium salt/acrylamide(C) fatty acid alkanolamide and/or polyoxyethylene alkyl ether,wherein pH at 25° C., in 20 weight times water dilution, is 2 to 4.5.