Better Nail is a powerful antifungal solution with a 25% concentration of undecylenic acid combined with six high-quality, all-natural oil extracts: Citronella, Lavender, Tea Tree, Sweet Almond, Jojoba, and Clove Bud. Better Nail’s specially formulated to penetrate deep into the affected area to get at the source of the problem. We know that many nail fungus sufferers feel embarrassed, uncomfortable, and frustrated with their nail health. This formula is designed to give you peace of mind!Active Ingredient: Undecylenic Acid 25% Ingredients: Cymbopogon Nardus (Citronella) Oil, Lavandula Angustifolia (Lavender) Oil, Melaleuca Alternifolia (Tea Tree) Oil, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Simmondsia Chinensis (Jojoba) Oil, Syzygium Aromaticum (Clove Bud) Oil, Tocopheryl Acetate (Vitamin E) Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.