FOK is able to provide an ever growing range of foot care solutions. With its long heritage in foot care, FOK is keen to ensure that all its users get the best from its products. About the Product: Use FOK Hard Skin Foot File for Soft and Smooth feet. It helps prevent build up of hard skin and mechanically removes dead cells that create thick areas. FOK dual action Foot File has two file surfaces: one to remove rough, dry skin and one to buff skin smooth. The hard skin is immediately removed leaving feet smooth and soft. Post exfoliation, moisturize with FOK Foot and Nail Cream.