Medicare dual action foot file instantly removes toughest callus and hard skin ensure feet are clean and dry hold the file by the handle and gently rub away thin layers of hard skin with the coarse surface until the skin is removed use:The finer surface on the handle to smooth away any remaining roughness after use: wash the file with warm water and leave to dry naturally stop using if skin becomes sore or inflamed do not use:On broken or irritated skin people suffering from diabetes or poor blood circulation are recommended to seek medical attention before using this product medicare dual action foot file safely removes even the roughest skin, leaving you with beautifully soft, silky feet to be proud of! this dual action foot file instantly removes the toughest callus and hard skin build up. The coarse surface (On the file head) safely removes even the toughest build up of callus and hard skin, whilst the finer surface (On the file handle) smoothes away any remaining toughness. But gently, removes dead and hard callouse: skin, while exfoliating and rejuvenating your feet. It's a good idea to apply some moisturizing lotion to your feet, following exfoliation with the foot file. This will help keep the skin pliable and prevent cracking skin and fissures.