Our nail repair solution contains glycerin, panthenol and PCA sodium. It can repair nails and protect against bacteria. Its use is simple: Step 1, thoroughly clean and dry the infected toes and fingers. Step 2, use a nail file to gently file the thick end of the fungal nail until it is flat or thin. Step 3 Apply a thin layer of liquid to the affected area with a nail brush. Step 4 Apply a thin layer of liquid to the affected area with a nail brush. And can protect nails, toenails, let your nails, toenails become more shaped.