Our Nail Repair Solution contains glycerin, panthenol, and sodium PCA. It can repair nails, remove bacteria and protect them. Its usage method is simple: Step 1, thoroughly clean and dry infected toes and fingers. Step 2, gently file the thick end of the fungal nail until it becomes flat or thin. Step 3, apply a thin layer of solution with a nail brush on the affected area. Step 4, apply another thin layer with a nail brush on the affected area. It can protect nails and toenails, making your nails and toenails more stylish