Pitted keratolysis is a descriptive title for a superficial bacterial skin infection that affects the soles of the feet, and less often, the palms of the hands. It is one of the causes ofsmelly feet. It is characterised by whitish skin and clusters of punched-out pits. Pitted keratolysis (also known as "Keratolysis plantare sulcatum," "Keratoma plantare sulcatum," and "Ringed keratolysis") is a non-contagious skin infection that can be caused by wearing tight or restricting footwear and excessive sweating.