A corn is typically found on the foot, and it is a hard thickened area of skin. It is similar to a callus, however, a corn is painful, smaller, and harder. Corns are relatively easy to get rid of if you do the proper maintenance required to keep them from coming back. Corns rarely cause any type of complications, but can become infected if left untreated.
Information. The most common type of corn is known as a hard corn. These are small hard areas of skin. These are generally found where the skin is widely thickened. Soft corns are rubbery in texture and can be either gray colored or white. These often appear between the toes. Another corn that is found on the bottom of the feet is known as seed corn.