Foot Choice-Nail Fungal Pen
Undecylenic Acid · Liquid · Topical
Active ingredient
Active Ingredient Undecylenic Acid 25%
Purpose
Purpose Antifungal
Uses
Uses For the effective treatment of nail fungus, discoloration, thickening, splitting, crumbling, and brittleness.
Warnings
Warnings For external use only.
Do not use
Do not use On children under 2 years of age unless directed by a doctor.
When using this product
When using this product Avoid contact with the eyes.
Stop use and ask a doctor
Stop use and ask a doctor if Irritation occurs or if there is no improvement within 4 weeks.
Keep out of reach of children
Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.
Directions
Directions Apply the product twice a day, in the morning and at night. For initial use, soak the affected nail in warm water to soften it. Gently file the nail to make it thinner and remove dirt, being cautious not to harm the nail bed. For best results, file nails every 2–3 days. Use the Nail Repair Pen Brush to apply the solution to the affected areas. Visible results will be seen in as little as 7 days. Continue regular usage to prevent fungus regrowth.
Inactive ingredients
Inactive Ingredients Aloe Vera Extract, Canola Oil, Clove Bud Oil, Lavender Oil, Jojoba Oil, Manuka Oil, Oregano Oil, Peppermint Oil, Propolis Extract, Sweet Almond Oil, Tea Tree Oil, Tocopheryl Acetate (Vitamin E).
Label text from the FDA structured product label by Foot Choice LLC (revised Jul 17, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Undecylenic Acid in 1 product
Foot Choice-Nail Fungal Pen NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 87830-001 | Undecylenic Acid 25 g/100mL Liquid | Foot Choice LLC | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Foot Choice-Nail Fungal Pen used for?
Uses For the effective treatment of nail fungus, discoloration, thickening, splitting, crumbling, and brittleness.
Who makes Foot Choice-Nail Fungal Pen?
Foot Choice-Nail Fungal Pen is listed by 1 labeler in the FDA NDC directory, including Foot Choice LLC.