Clean the affected area and dry thoroughly. Apply a thin layer of the product 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 the toes. Wear well‑fitting, ventilated shoes and change shoes and socks at least once daily. For athlete’s foot and ringworm, use daily for 4 weeks. If the condition persists longer, consult a do...
Store at room temperature 15°C–30°C / 59°F–86°F. Keep tightly closed when not in use.
Undecylenic acid 25%
Antifungal
Treats most athlete's foot (tinea pedis) and ringworm (tinea corporis).
Relieves itching, scaling, cracking, burning, redness, soreness, irritation, and discomfort.
For external use only.
on children under 2 years of age unless directed by a doctor.
avoid contact with eyes.
irritation occurs, or there is no improvement within 4 weeks.
irritation occurs, or there is no improvement within 4 weeks.
Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.
Clean the affected area and dry thoroughly.
Apply a thin layer of the product 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 the toes. Wear well‑fitting, ventilated shoes and change shoes and socks at least once daily.
For athlete’s foot and ringworm, use daily for 4 weeks. If the condition persists longer, consult a doctor.
Store at room temperature 15°C–30°C / 59°F–86°F.
Keep tightly closed when not in use.
Isopropyl Alcohol, Alcohol Denat, Menthol, Glycerin, Borneol.
Every source-derived product name is available through these pages.
| Product NDC | Package NDC |
|---|---|
| 85248-218 | 85248-218-01 |
Every source-derived ingredient row is available through these pages.
| Name | UNII | Kind |
|---|---|---|
| UNDECYLENIC ACID | K3D86KJ24N | ACTIB |
| GLYCERIN | PDC6A3C0OX | IACT |
| BORNEOL | M89NIB437X | IACT |
| ISOPROPYL ALCOHOL | ND2M416302 | IACT |
| ALCOHOL | 3K9958V90M | IACT |
| MENTHOL | L7T10EIP3A | IACT |
| Version | Effective date | Source | Hydrated |
|---|---|---|---|
| 1 | 2026-05-20 | full-release | 2026-06-01 01:58:11 |
OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.
| Brand | Generic | Manufacturer | SPL set ID | Effective date | Available safety fields | Join |
|---|---|---|---|---|---|---|
| TrpWinner TOENAIL FUNGUS PEN | UNDECYLENIC ACID 25% TOENAIL FUNGUS PEN | Jiangxi Yudexi Pharmaceutical Co., LTD | 523c2a9c-3b35-bf73-e063-6394a90ae17d | 2026-07-20 | Warnings | 85248-218-01 85248-218 85248021801 5708d86a-ec8b-ff0a-e063-6294a90a852d 523c2a9c-3b35-bf73-e063-6394a90ae17d |
Adverse event summaries are temporarily unavailable. Other product information remains available.