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ZENJBUST Undecylenic Acid 25% Antifungal Pen

Dosage form
LIQUID
Labeler
Shenzhen Xituo Electronics Co., Ltd
Label updated
2026-07-09
Retrieved
2026-09-07
Active ingredients
UNDECYLENIC ACID
View original label and images on DailyMed ↗
Active Ingredient

UNDECYLENIC ACID 25%

Purpose

Antifungal

Use

For the treatment of athlete's foot,jock, itch, and ringworm.

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 the eyes. If contact occurs, rinse thoroughly with water.

Stop Use

Stop use and ask a doctor if irritation occurs, or there is no improvement within 2 weeks for jock itch, or within 4 weeks for athlete's foot and ringworm.

Ask Doctor

Stop use and ask a doctor if irritation occurs, or there is no improvement within 2 weeks for jock itch, or within 4 weeks for athlete's foot and ringworm.

Keep Out Of Reach Of Children

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

Directions

■Read all warnings and directions

■Use only as directed

■Clean the affected area with soap and water and dry thoroughly

■Remove cap from pen, twist the base of the pen, with brush pointing downward, until product is expressed

■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 shoe, and change shoes and socks at least once daily.

Other information

■ Store at 15"–30°C (59" – 86°F)
■ Keep cap on pen when not in use

Inactive ingredients

ISOPROPYL ALCOHOL, ISOPROPYL MYRISTATE, MELALEUCA , ALTERNIFOLIA (TEA TREE) LEAF OIL, EUCALYPTOL

PRINCIPAL DISPLAY PANEL

[Image in the official label — see DailyMed source]

DailyMed Set ID: 563a6704-f662-3f08-e063-6394a90a4369 · Version 1
NDC: 87273-006