Hongo Killer
Tolnaftate · Cream · Topical
Active ingredient
Active Ingredient Purpose Undecylenic Acid 20% w/v.......... Antifungal
Purpose
Purpose: Antifungal
Uses
Uses For the cure of most: athlete's foot (tinea pedis) ringworm (tinea corporis) For the relief of: itching burning scaling cracking soreness irritation
Warnings
For external use only. Flammable: Keep away from fire and flame When using this product avoid contact with the eyes and mucous membrane.
Do not use
Stop use and consult a doctor if irritation occurs there is no improvement within 4 weeks Do not use on children under 2 years of age unless directed by a doctor.
Pregnancy or breast-feeding
If pregnant or breast-feeding, consult a health professional before using this product.
Keep out of reach of children
Keep out of the reach of children. If swallowed, get medical help or contact a Poison Control Center right away.
Directions
Directions Clean the affected area and dry thoroughly. Apply a thin layer of Hongo Killer Antifungal Spray 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 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 and nails.
Inactive ingredients
Inactive ingredients aloe vera, fragrance, hypromelloses, isopropyl alcohol, tocopherol acetate (vitamin E), water
Questions?
Questions or Comments? (305) 805-3456 Monday-Friday (9 am - 5 pm EST). www.efficientlabs.com
Label text from the FDA structured product label by Efficient Laboratories Inc (revised Oct 14, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Tolnaftate in 3 products
- Undecylenic Acid in 2 products
- Miconazole Nitrate in 1 product
Hongo Killer NDC products (6)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 58593-285 | Tolnaftate .1 g/10g Aerosol, Powder | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
| 58593-286 | Tolnaftate 10 mg/g Cream | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
| 58593-288 | Tolnaftate 1 g/100g Powder | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
| 58593-601 | Undecylenic Acid 2 mg/10mL Spray | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
| 58593-625 | Miconazole Nitrate .2 g/10g Aerosol, Spray | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
| 58593-826 | Undecylenic Acid 25 mg/100mL Liquid | Efficient Laboratories Inc | OTC MONOGRAPH DRUG |
Frequently asked questions
What is Hongo Killer used for?
Uses For the cure of most: athlete's foot (tinea pedis) ringworm (tinea corporis) For the relief of: itching burning scaling cracking soreness irritation
Who makes Hongo Killer?
Hongo Killer is listed by 1 labeler in the FDA NDC directory, including Efficient Laboratories Inc.