US Patent No. 9,725,676 B2;  Kao Corp., Tokyo, has patented a cleansing composition for skin or hair comprising an internal olefin sulfonate (A) having 12 or more and 24 or less carbon atoms, wherein a total content of an internal olefin sulfonate having 16 carbon atoms and an internal olefin sulfonate having 18 carbon atoms in the internal olefin sulfonate (A) is 50% by mass or more; a mass content ratio of the internal olefin sulfonate having 16 carbon atoms to the internal olefin sulfonate ha...