Be Natural™ Callus Eliminator™. Be Natural® Callus Eliminator® is the fast and effective solution to even the toughest of calluses. Callus Eliminator® saves you time and effort by doing the work for you! Callus Eliminator® actually breaks calluses down in just minutes. Then simply file them away. No cutting! Dermatologist and podiatristtested. Original Unscented 4 oz.