Callívoro Callos are dressings with a central disc of 40% salicylic acid, designed to treat calluses in a localized and quick manner. In addition to removing calluses, its cushioned ring provides immediate pain relief, contributing to a more comfortable experience during treatment. Callivoro Callos contains 40% salicylic acid concentrated in its central ring to come into contact with the callus, surrounded by a cushioned ring in each dressing.