Details Kills fungus at the source Anti fungal treatment Dr. G's Clear Nail is a professional strength formula containing Tolnaftate. It kills fungus at the source of germs and backed by scientific research published in medical journals. Directions Apply around the cuticle and under the free edge of the nail twice a day. Pro Tips Causes of skin and nail infections are the result of many factors. This product is for skin fungal infections and is not effective on scalp or nails themselves. Some causes include the environment, chemicals, artificial-nails, poor circulations, smoking, trauma, and diabetes. Ingredients Active Ingredients: Benzalkonium Chloride 0.1%. Ingredients: Water , Hydroxypropyl Methylcellulose , Cocamidopropyl Betaine , Cocamidopropylamine Oxide , Cetrimonium Chloride , Propylene Glycol , Allantoin , Quaternium-12 , Quaternium-15 , Diazolidinyl Urea , Methyl Paraben , Propyl Paraben , Citric Acid , Triethanolamine