Dry skin, which is also called Xerosis, is a common foot problem where the skin is not hydrated. This condition is most often found in the geriatric population as s normal part of the aging process. The environment can also influence the skin. Radiator heat is very dry, as is prolonged exposure to sunlight. Taken to the extreme, dry skin can crack and form fissures that can be a portal for infection. Daily use of topical moisturizing cream can help keep your skin well hydrated and avoid more serious problems.