ProLinc's Be Natural Callus Eliminator is the professional's choice for effective, efficient callus removal. The fast, safe and effective solution for even the toughest of calluses. Callus Eliminator saves you time and effort by doing the work for you. It breaks down unsightly calluses in 3-5 minutes so you can simply file or buff them away. No cutting required. Dermatologist and Podiatrist tested.