Guide

Dry feet, clean socks

The habits on a Hongo Killer label and the habits on the CDC's ringworm pages are close to the same list.

Bare feet up on a sofa behind the Hongo Killer line

Why dry matters

The sources agree on the conditions the fungus likes.

The fungus thrives in warm, moist areas.
MedlinePlus: MedlinePlus (National Library of Medicine): Athlete's foot read 7 October 2026
Keep your feet clean and dry, especially between your toes.
And its first piece of self-care: MedlinePlus (National Library of Medicine): Athlete's foot read 7 October 2026

How do you keep athlete's foot from spreading at the gym?

The CDC lists 3 habits that apply at a gym: wear protective footwear in public showers and locker rooms, do not share towels or socks, and keep skin clean and dry.

Wear protective footwear in areas like public showers or locker rooms.
In shared showers: Centers for Disease Control and Prevention: Ringworm Basics read 7 October 2026
Do not share sports gear or other personal items (like towels or socks).
With gear and towels: Centers for Disease Control and Prevention: Ringworm Basics read 7 October 2026
Change socks and underwear every day.
Every day: Centers for Disease Control and Prevention: Ringworm Basics read 7 October 2026

What the labels add

Every Hongo Killer panel that lists athlete's foot repeats three instructions: attend to the spaces between the toes, wear well-fitting, ventilated shoes, and change shoes and socks at least once daily.

The tolnaftate products go one step further. Their panels include directions for prevention: a thin layer on washed, dried feet once or twice daily.

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.