Be Natural Callus Eliminator Orange Scent The One, The Only, The Original. Be Natural Callus Eliminator saves you time and effort by doing the work for you. It breaks down calluses in3-5 minutes, then, file or buff them away. Directions: After soaking, liberally spread Callus Eliminator over callus. Let it set for 3-5 minutes depending on callus buildup. Then wipe away excess and use a file or buffer to gently remove callus. Wash off with water. Wear gloves or rinse fingers after applying.