The present invention relates to liquid skin cleansing compositions comprising (1) mild surfactant systems; (2) 0.1 to 10% by wt. of a polyvalent cation or cations selected from the group consisting of zinc, copper, tin, aluminum cobalt, nickel, chromium, titanium and/or manganese and mixture thereof;...http://www.google.com/patents/US6017861?utm_source=gb-gplus-sharePatent US6017861 - Mild antimicrobial liquid cleansing formulations comprising polyvalent cation or cations for improving antimicrobial effectiveness
