Maximum-strength relief for fungal nails — in a precise, mess-free pen. The Antifungal Nail Pen delivers 25% Undecylenic Acid, a recognized OTC antifungal active, in a targeted brush applicator that paints the medication exactly where it's needed: onto and around discolored, brittle, fungus-damaged nails on hands and feet.Why it works Maximum 25% undecylenic acid — OTC antifungal strength to treat and help prevent fungal growth Improves the appearance of damaged, discolored and brittle nails over time Precise brush-pen — no spills, no cotton swabs, no waste Travel-friendly and easy to apply twice daily Who it's forAnyone dealing with fungal nail infections, discoloration, thickening or athlete's-foot-related nail damage who wants an easy, over-the-counter at-home treatment. Best paired with the Precision Nail Drill to file back damaged nail first, and the Antifungal Foot Balm for surrounding skin.DirectionsClean and dry the affected nail. Apply a thin layer to the nail and surrounding skin twice daily (morning and night), or as directed by a doctor. Use consistently — nails grow slowly, so visible improvement typically takes several weeks to months. For external use only.25% Undecylenic Acid · OTC antifungal · Brush-pen applicator · Hands & feet
