Skip to Content

← See all Undecylenic Acid brands

Undecylenic Acid by Topco Associates LLC

Dosage form: liquid
Ingredients: Undecylenic Acid 7.5g in 30g
Labeler: Topco Associates LLC
NDC Code: 36800-372

Disclaimer: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

Antifungal Liquid Solution

Active ingredient

Undecylenic acid 25%w/w




For cure of most tinea pedis (athete's foot) and tinea corporis (ringworm)

For relief of:

  • discomforts which may accompany these conditons
  • itching
  • burning
  • redness
  • irritation
  • scaling
  • soreness


For external use only.

If pregnant or breastfeeding

consult a healthcare professional before use.

Do not use

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

When using this product

avoid contact with eyes.

use only as directed

by the doctor on persons with highly sensitive skin.

Stop use and consult a doctor if
  • there is no improvement within 4 weeks
  • irritation occurs

Keep out of reach of children.

If accidental ingestion occurs, get medical help or contact a Poison Control Center right away.


Read all warnings and directions. Use only as directed.

  • clean the affected area and dry thoroughly
  • apply a thin layer of the product over the affected area twice daily (morning and evening) 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 changes shoes and socks atleast once daily
  • for athlete's foot and ringworm, use daily for 4 weeks. If condition persists longer, consult a doctor.
  • this product is not effective on the scalp or nails

other information
  • store at room temperature 150 - 300C (590 - 860F)
  • protect from freezing. If freezing occurs warm to room temperature
  • keep tightly closed when not in use

Inactive ingredient

isopropyl palmitate


Call 1-888-423-0139

Principal Display Panel

Topcare health

Maximum strength

Anti- Fungal Liquid

Undecylenic Acid 25%

Eliminates fungus on fingers, toes, and around nails

  • Easy to apply Application Brush 
  • Dries quickly
  • Non-oily,Clear Formula
  • No Unpleasent Odor

1 FL OZ (30mL)

antifungal solution liquid
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:36800-372
Route of AdministrationTOPICALDEA Schedule    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
Undecylenic Acid (UNDECYLENIC ACID) Undecylenic Acid7.5 g  in 30 g
Inactive Ingredients
Ingredient NameStrength
#Item CodePackage Description
1NDC:36800-372-3030 g in 1 BOTTLE, WITH APPLICATOR
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph finalpart333C12/12/2017
Labeler - Topco Associates LLC (006935977)

Topco Associates LLC

← See all Undecylenic Acid brands

Medically reviewed on Nov 20, 2018

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.