Compeed® Callus Treatment - Medium Dressings offer dual action thanks to hydrocolloid technology that softens the corn and the action of salicylic acid that helps to eliminate it: Relieves the pain of corns instantly. Protects against friction and pressure. Helps to eliminate callus. It is super discreet and comfortable to use. It remains in place for more than 24 hours. Compeed® Tripe Treatment - Medium is ideal for the most rebellious calluses.