Callus treatment solution, rich in collodion, salicylic acid, lactic acid, ether and castor oil, which softens and cleanses calluses, without causing irritation. The solution works effectively guaranteeing the removal of calluses quickly and painlessly, thanks to the high concentration of active principles (salicylic acid 14.5%). How to use: Apply to calluses for 5-6 days in the morning and evening, avoiding the surrounding skin.