Calluses are formed as a result of prolonged pressure or friction within the area. They can cause cracks in the skin. A bigger problem is corns, which are deep wedge-shaped keratoses of the epidermis, reaching deep into the soft tissues. The cause of their formation is usually the wearing of too tight, uncomfortable footwear.

The treatment is designed to remove the "root", remaining deep in the tissue so that the imprint does not rebuild. It is painless, and the treatment has a lasting effect.