Friction or pressure causes these thick, hard, dead areas of skin. Corns look cone-shaped and point into the skin, usually forming on pressure points from poorly fitted shoes or a bone spur. Calluses tend to spread out more and can appear anywhere something rubs on your skin. Moleskin pads can help relieve a corn.
Overview. Corns are thickenings of the skin composed of keratin that are typically found on the toes caused by repeated friction or pressure to the area. The base .