From the labels

How to apply Hongo Killer

The directions on the 7 Hongo Killer drug labels, sorted by form. The steps are the labels' own, in the labels' own words where it matters.

Ultra Spray Liquid held above a bare foot

Every form

The steps all the panels share

  1. Clean and dry

    Clean the affected area and dry it thoroughly.

  2. Thin layer, twice daily

    Apply a thin layer over the affected area twice daily, morning and night, or as directed by a doctor.

  3. Keep going as long as the label says

    For athlete's foot and ringworm the panels give 4 weeks of daily use, and for jock itch 2 weeks. If the condition persists longer, consult a doctor.

By form

What changes with the pack

  • Antifungal Powder

    Shake-on powder

    Shake-on powder

    Sprinkle a thin layer over the affected area. For prevention of athlete's foot the panel says once or twice daily, on washed and dried feet.

  • Spray Powder

    Aerosol powder

    Spray powder

    Shake the can well before use. Hold it about 6 inches from the area and spray a thin layer. Keep it away from flame, and do not store it above 120°F.

  • Ultra Spray Liquid

    Aerosol liquid

    Ultra Spray Liquid

    Shake the can well and hold it about 6 inches from the area. The can is flammable: no flame, no spark, no smoking while you spray.

  • Antifungal Spray

    Pump spray

    Pump spray

    Apply a thin layer with the pump over the affected area. The liquid is flammable, and the panel says to avoid contact with the eyes.

  • Antifungal Cream

    Cream

    Cream

    Apply a thin layer over the affected area. Between the toes, work it into the spaces the panel singles out.

  • Antifungal Solution

    Brush-on liquid

    Brush-on solution

    Apply a thin layer with the brush over the affected area. Keep the bottle away from fire and flame.

Limits

What every panel rules out

  • Under 2 years

    Do not use on children under 2 years of age unless directed by a doctor.

  • Scalp and nails

    The product is not effective on the scalp or nails.

  • Eyes

    Avoid contact with the eyes. All of these products are for external use only.

Follow product instructions and apply the antifungal for as long as directed even if symptoms start to improve.
The CDC on staying the course: Centers for Disease Control and Prevention: Treatment of Ringworm read 7 October 2026
Antifungal creams, ointments, lotions, or powders are usually applied to the skin for 2 to 4 weeks.
And on how long: Centers for Disease Control and Prevention: Treatment of Ringworm read 7 October 2026

Questions

About applying it

How far from the skin should the spray can be held?

About 6 inches. Both Hongo Killer aerosols, the Spray Powder and Ultra Spray Liquid, print that distance in their directions and say to shake the can well first.

How often do you apply Hongo Killer?

Twice daily, morning and night. All 7 Hongo Killer drug labels give that schedule, on skin that has been cleaned and dried first.

Sources

This is general information, not medical advice. Read the label on the pack before use, and ask a doctor or pharmacist about your own case.