Nailtek xtra is a highly effective treatment designed for nails resistant to conventional therapies. This concentrated formulation provides the extra strength necessary to correct severe nail weakness. Ingredients: Toluene, Ethyl Acetate, Butyl Acetate, Nitrocellulose, Tosylamide/Formaldehyde Resin, Dibutyl Phthalate, Isopropyl Alcohol, N Butyl Alcohol, Formaldehyde, Benzophenone 1, Hydrolyzed Wheat Protein, Calcium Pantothenate (Vitamin B5), Violet 2 (CI60725)