SERYNTH ANTIFUNGAL NAIL TREATMENT PEN- undecylenic acid 25% antifungal nail treatment pen liquid

SERYNTH ANTIFUNGAL NAIL TREATMENT PEN by

Drug Labeling and Warnings

SERYNTH ANTIFUNGAL NAIL TREATMENT PEN by is a Otc medication manufactured, distributed, or labeled by Jiangxi Yudexi Pharmaceutical Co., LTD. Drug facts, warnings, and ingredients follow.

Drug Details [pdf]

Active Ingredient

Undecylenic acid 25%

Purpose

Antifungal

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

For external use only.

Do not use

on children under 2 years of age unless directed by a doctor.

When Using

avoid contact with eyes.

Stop Use

irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).

Ask Doctor

irritation occurs, there is no improvement within 4 weeks (for athlete's foot and ringworm).

Keep Oot Of Reach Of Children

If swallowed, get medical help or contact a Poison Control Center right away.

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

Store at room temperature 15-30℃ (59-86℉)

Inactive ingredients

Tea tree oil，glycerin，polyethylene glycol.

PRINCIPAL DISPLAY PANEL

INGREDIENTS AND APPEARANCE

SERYNTH ANTIFUNGAL NAIL TREATMENT PEN 
undecylenic acid 25% antifungal nail treatment pen liquid

Product Information
Product Type	HUMAN OTC DRUG	Item Code (Source)	NDC: 85248-165
Route of Administration	TOPICAL

Active Ingredient/Active Moiety
Ingredient Name	Basis of Strength	Strength
UNDECYLENIC ACID (UNII: K3D86KJ24N) (UNDECYLENIC ACID - UNII:K3D86KJ24N)	UNDECYLENIC ACID	25 g  in 100 mL

Inactive Ingredients
Ingredient Name	Strength
GLYCERIN (UNII: PDC6A3C0OX)
POLYETHYLENE GLYCOL, UNSPECIFIED (UNII: 3WJQ0SDW1A)
TEA TREE OIL (UNII: VIF565UC2G)

Packaging
#	Item Code	Package Description	Marketing Start Date	Marketing End Date
1	NDC: 85248-165-01	3 in 1 BOX	03/19/2026
1		2.5 mL in 1 BOX; Type 0: Not a Combination Product

Marketing Information
Marketing Category	Application Number or Monograph Citation	Marketing Start Date	Marketing End Date
OTC Monograph Drug	M005	03/19/2026

Labeler - Jiangxi Yudexi Pharmaceutical Co., LTD (455662836)