Serynth Antifungal Nail Treatment Pen
Undecylenic acid 25% ANTIFUNGAL NAIL TREATMENT PEN · Liquid · Topical
Active ingredient
Active Ingredient Undecylenic acid 25%
Purpose
Purpose Antifungal
Uses
Use 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.
Warnings
Warnings For external use only.
Do not use
Do not use on children under 2 years of age unless directed by a doctor.
Ask a doctor before use
Ask Doctor irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).
When using this product
When Using avoid contact with eyes.
Stop use and ask a doctor
Stop Use irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).
Keep out of reach of children
Keep Oot Of Reach Of Children If swallowed, get medical help or contact a Poison Control Center right away.
Directions
Directions 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.
Other information
Other information Store at room temperature 15-30℃ (59-86℉)
Inactive ingredients
Inactive ingredients Tea tree oil，glycerin，polyethylene glycol.
Label text from the FDA structured product label by Jiangxi Yudexi Pharmaceutical Co., LTD (revised Jul 24, 2026). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Undecylenic Acid in 1 product
Serynth Antifungal Nail Treatment Pen NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 85248-165 | Undecylenic Acid 25 g/100mL Liquid | Jiangxi Yudexi Pharmaceutical Co., LTD | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Serynth Antifungal Nail Treatment Pen used for?
Use 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.
Who makes Serynth Antifungal Nail Treatment Pen?
Serynth Antifungal Nail Treatment Pen is listed by 1 labeler in the FDA NDC directory, including Jiangxi Yudexi Pharmaceutical Co., LTD.