Scholl Corn Removal Plasters are designed for the treatment of painful corns; using highly effective embedded discs, containing Salicylic Acid, they will break the corn down. Our plasters have a soft circular cushion to decrease pain and pressure, by reducing friction. The Corn Removal Plasters also have slim straps, which wrap around the toe helping to ensure the embedded disc and plaster is held securely in place. Pack Contents 4x medicated discs. Salicylic Acid, Adhesive, Water-resistant Material. Safety Warning For external use only. Keep out of reach of children. Do not use on irritated or broken skin. If irritation occurs, discontinue use. Avoid contact with eyes. If contact occurs, rinse thoroughly with water. If swallowed, seek medical advice immediately.