Method for producing a hyaluronic acid metal salt, a method of manufacturing a cosmetic containing a hyaluronic acid metal salt, and zinc hyaluronate and a method of manufacturing the same

Method for producing a hyaluronic acid metal salts, metal belonging to Group 2 element, a metal belonging to group 12 element, a metal compound containing at least one kind of the metals belonging to the metals and transition elements belonging to Group 13 element comprising the step of dispersing hyaluronic acid and / or its salt in the water-containing medium containing.