The ultimate tool to remove corns and calluses safely and expertly! Sally Hansen's La Cross Corn & Callus Trimmer is a double-edged steel trimmer with just the right precision to remove just the right amount of skin. Comfortable textured grip, comes in a travel-friendly pouch and an extra blade. How to use:; Soften corn or calluses with warm water. Pat dry.; Place the outside of the metal head against the desired area and gently glide it to remove layers of dead skin.; For best use: Remove several thin layers instead of one big layer.; Make sure to not remove too much skin, corns and calluses are your body's way of protecting you.;