For athlete's foot and ringworm:use daily for 4 weeks. Clean the affected area and dry thoroughly. Apply a thin layer of the product over affected area twice daily (morning and night) or as directed by a doctor. Supervise children in the use of this product. 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.To pr...
Store at room temperature 15-30℃ (59-86℉)
Undecylenic acid 25%
Antifungal
Treats most Athlete's Foot (Tinea Pedis) and Ringworm . Relieves itching, scaling, cracking, burning,redness, soreness, and irritation and discomfort. Helps prevent most athlete's foot (dermatophytosis) with daily use.
For external use only.
on children under 2 years of age unless directed by a doctor.
avoid contact with eyes.
irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).
irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).
If swallowed, get medical help or contact a Poison Control Center right away.
For athlete's foot and ringworm:use daily for 4 weeks. Clean the affected area and dry thoroughly. Apply a thin layer of the product over affected area twice daily (morning and night) or as directed by a doctor. Supervise children in the use of this product. 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.To prevent athlete's foot, apply once or twice daily (morning and/or night).Apply to skin around the nail and cuticle.
Store at room temperature 15-30℃ (59-86℉)
Tea tree oil，glycerin，polyethylene glycol.
Every source-derived product name is available through these pages.
| Product NDC | Package NDC |
|---|---|
| 85248-165 | 85248-165-01 |
Every source-derived ingredient row is available through these pages.
| Name | UNII | Kind |
|---|---|---|
| UNDECYLENIC ACID | K3D86KJ24N | ACTIB |
| GLYCERIN | PDC6A3C0OX | IACT |
| POLYETHYLENE GLYCOL, UNSPECIFIED | 3WJQ0SDW1A | IACT |
| TEA TREE OIL | VIF565UC2G | IACT |
| Version | Effective date | Source | Hydrated |
|---|---|---|---|
| 1 | 2026-03-18 | full-release | 2026-06-01 01:50:46 |
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 |
|---|---|---|---|---|---|---|
| SERYNTH ANTIFUNGAL NAIL TREATMENT PEN | UNDECYLENIC ACID 25% ANTIFUNGAL NAIL TREATMENT PEN | Jiangxi Yudexi Pharmaceutical Co., LTD | 4d59116a-bcd0-9ed4-e063-6394a90a6dbd | 2026-07-24 | Warnings | 85248-165-01 85248-165 85248016501 5767311b-d77d-a912-e063-6394a90afe09 4d59116a-bcd0-9ed4-e063-6394a90a6dbd |
Adverse event summaries are temporarily unavailable. Other product information remains available.