Fungal Nail Repair Pen
Undecylenic Acid · Liquid · Topical
Active ingredient
Undecylenic Acid 25%
Purpose
Antifungal
Uses
Mainly used to control and reduce nail fungus issues, and improve discoloration, thickening, layering brittleness, and ingrown nails
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
Avoid contact with eyes
Stop use and ask a doctor
Stop use and consult a doctor if irritation occurs or if there is no improvement within 4 weeks
Keep out of reach of children
Ask a doctor before use if you are pregnant, have sensitive skin, or are using this product on a child. Keep out of reach of children
Directions
Read all warnings and directions carefully Use only as directed Wash the affected area and dry thoroughly. Remove cap from pen Twist the base of the pen, with the brush pointing downward, until the product dispenses. Apply a thin layer over the affected area twice daily (morning and night) or as directed by a doctor For athlete's foot, pay special attention to spaces between toes; wear well-fitting, ventilated shoes,and change shoes and socks at least once daily
Inactive ingredients
Aloe Vera Extract Sweet Almond Oil Jojoba Oil Tea Tree Oil Manuka Oil Clove Bud Oil Lavender Oil Oregano Oil Peppermint Oil Pine Oil Olive Fruit Oil Flaxseed Oil Borage Seed Oil Leptospermum Petersonii Leaf Oil Propolis Extract Tocopheryl Acetate (Vitamin E)
Label text from the FDA structured product label by Yunqi Cosmetics (Shenzhen) Co., Ltd (revised May 20, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Undecylenic Acid in 1 product
Fungal Nail Repair Pen NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 84763-011 | Undecylenic Acid .25 g/mL Liquid | Yunqi Cosmetics (Shenzhen) Co., Ltd | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Fungal Nail Repair Pen used for?
Mainly used to control and reduce nail fungus issues, and improve discoloration, thickening, layering brittleness, and ingrown nails
Who makes Fungal Nail Repair Pen?
Fungal Nail Repair Pen is listed by 1 labeler in the FDA NDC directory, including Yunqi Cosmetics (Shenzhen) Co., Ltd.