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Undecylenic Acid by Family Dollar Services Inc.

Dosage form: liquid
Ingredients: Undecylenic Acid 25mg in 1.7mL
Labeler: Family Dollar Services Inc.
NDC Code: 55319-055

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 Nail Pen

Active ingredient

Undecylenic acid 25%w/w




For the cure of most tinea pedis (athlete's foot) and tinea corporis (ringworm)
For relief of:

discomfort which may accompany these conditions


For external use only.

If pregnant or breastfeeding

consult a healthcare professional before use.

Do not use

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

When using this product

avoid contact with eyes.

Use only as directed

by a 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 children.

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


Read all warning and directions. Use only as directed.

clean the affected area and dry thoroughly
twist pen base with 3 clicks to saturate brush
apply a thin layer of the product over the affected area twice daily (morning and night) or as directed by the doctor
the brush applicator allows for easy application under nails and surrounding cuticle area
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
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 1-866-964-0939

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Anti- Fungal Nail Pen

Undecylenic Acid 25%

Eliminates Fungus on Fingers, Toes and Around Nails

  • Pre- fikllled with applicator brush
  • Covenient and Easy to use
  • Dries Quickly 
  • Non - oily, clean Formula
0.05 FL. OZ (1.7 mL)

antifungal pen liquid
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:55319-055
Route of AdministrationTOPICALDEA Schedule    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
Undecylenic Acid (UNDECYLENIC ACID) Undecylenic Acid25 mg  in 1.7 mL
Inactive Ingredients
Ingredient NameStrength
#Item CodePackage Description
1NDC:55319-055-171.7 mL in 1 APPLICATOR
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph finalpart333C12/15/2017
Labeler - Family Dollar Services Inc. (024472631)

Family Dollar Services Inc.

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Medically reviewed on Dec 15, 2017

Further information

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