Flexitol Callus Rem Cream 56GDescription: Flexitol Callus Remover Cream has been formulated to soften calluses and hard skin build up on the feet. Optimal callus removal is achieved through a two step process. Firstly Urea works to soften hard skin and then AHAs exfoliate away dead skin that make up the callus. Hard and callused skin is usually found on the heel or the balls of your feet