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ZYNTHIX
- Dosage form
- SOLUTION
- Labeler
- Shenzhen Siwei Yijiu Trading Co., Ltd.
- Label updated
- 2026-04-08
- Retrieved
- 2026-09-07
- Active ingredients
- UNDECYLENIC ACID
Active ingredient
Undecylenic Acid 25%
Purpose
Antifungal
Uses
- For the treatment of most athlete’s foot, jock itch, and ringworm.
- Relieves itching, burning, cracking, and scaling.
Warnings
- For external use only.
- This product is not effective on the scalp.
- Flammable. Keep away from fire or flame.
Do not use
- On children under 2 years of age unless directed by a doctor.
- For diaper rash.
When using this product
- Avoid contact with eyes.
- May cause mild stinging or burning sensation on broken skin.
Stop use and ask a doctor if
- Irritation occurs or gets worse.
- There is no improvement within 4 weeks (for athlete's foot and ringworm) or 2 weeks (for jock itch).
Pregnancy or breast feeding section
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
If swallowed, get medical help or contact a Poison Control Center right away.
Directions
- Clean the affected area and dry thoroughly.
- Twist off the cap, rotate the bottom to dispense solution to the brush.
- Apply a thin layer to 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.
- For jock itch, use daily for 2 weeks.
- Supervise children in the use of this product.
Other information
- Store at room temperature 15°-30°C (59°-86°F).
- Protect from excessive heat and direct sunlight.
Inactive ingredients
Alcohol denat, Borneol, Glycerin, Isopropyl alcohol, Menthol, Water.
Questions?
213-396-1046 / [email protected]
Box Front Panel
ZYNTHIX
ANTIFUNGAL PEN
25% Undecylenic Acid
Maximum Strength
- Helps Treat Fungal Infections
- Relieves Itching & Burning
- Supports Healthy Nails
NET:12ml/0.42fl.oz
(3x4mL)
[Image in the official label — see DailyMed source]
DailyMed Set ID: 4ef4a167-f673-efb4-e063-6294a90a3026 · Version 1
NDC: 87575-4041