This fast working gel contains two active ingredients which are scientifically proven to treat warts and ease pain salicyclic acid works to break down the stubborn skin of the wart making it easier to remove camphor the second active ingredient gives relief from pain and discomfort relating to warts and verrucas r r fast safe treatment for r r corns r r calluses r r warts r r verrucas r r why choose scholl wart verruca seal heal r r dries to form a water resistant barrier r r no nee