Answer. If you don't have any underlying health issues, try the following remedies to help clear up a corn or callus:Make use of over-the-counter pads. Protect the area where a corn or callus has formed with a pad. When using over-the-counter (nonprescription) liquid corn removers or medicated corn pads, exercise caution. These contain salicylic acid, which can irritate healthy skin and cause infection, particularly in people who have diabetes or other conditions that cause poor blood flow.Soak your hands or feet in water. Corns and calluses can be softened by soaking your hands or feet in warm, soapy water. This may make removing the thickened skin easier. Skin that has been thinned and thickened. Rub a corn or callus with a pumice stone, nail file, emery board, or washcloth during or after bathing to help remove a layer of toughened skin. Trim the skin without using a sharp object. If you have diabetes, you need to avoid using a pumice stone.Skin should be moisturised. To keep your skin soft, apply moisturiser to your hands and feet. Put on a pair of comfortable shoes and socks. Wear well-fitting, cushioned shoes as well as socks until your corn or callus has gone away.