Starts working immediately! Easy, pain-free removal! The non-toxic, water based Cooling Gel Patches contain water, polymers, and a small amount of preservatives (water, glycerin, polyvinylpyrrolidone, sodium polyacrylate, ethanol, tartaric acid, borneol, disodium dihydrogen ethylenediamine tetraacetic dihydrate, and dihydroxyaluminium aminoacetate).
