Several types of foot soaks can help manage athlete’s foot, though most work best as a complement to antifungal creams or sprays rather than a standalone cure. The most popular options include vinegar, tea tree oil, Epsom salt, and medicated astringent soaks. Each works differently: some target the fungus directly, others dry out moisture the fungus needs, and a few mainly relieve itching and irritation while your feet heal.
Vinegar Soaks
Vinegar is one of the most widely recommended home soaks for athlete’s foot. The acidity creates an environment that’s inhospitable to the fungus responsible for the infection. Mix one part vinegar (white or apple cider) with two parts warm water and soak your feet for up to 20 minutes. You can use any basin large enough to cover your feet, adding more solution in that same 1:2 ratio until the level is high enough.
Vinegar won’t necessarily cure a stubborn infection on its own, but regular soaks can slow fungal growth and ease symptoms like itching and scaling. If you notice stinging or increased redness, your skin may be too cracked or raw for the acidity. Stop and let things calm down before trying again, or switch to a gentler option.
Tea Tree Oil
Tea tree oil has stronger research behind it than most home remedies. A clinical study found that solutions at 25% and 50% concentration relieved athlete’s foot between the toes significantly better than a placebo, with the infection clearing in 64% of people who used tea tree oil compared to 31% in the placebo group. Those are notable numbers for a natural treatment.
For a soak, add several drops of tea tree oil to a basin of warm water. The oil doesn’t dissolve easily, so swirl it around before putting your feet in. You can also apply diluted tea tree oil directly to affected skin using a carrier oil like coconut oil. Pure, undiluted tea tree oil is too harsh for direct application and can cause contact irritation, especially on broken skin.
Epsom Salt
Epsom salt won’t kill the fungus that causes athlete’s foot. What it does is draw out moisture, and since the fungus thrives in damp conditions, reducing moisture can slow its spread. An Epsom salt soak also feels good on inflamed, itchy feet and can soften thickened skin so that any topical antifungal you apply afterward penetrates more effectively.
Dissolve half a cup of Epsom salt in a basin of warm water and soak for 15 to 20 minutes. Think of this as a comfort and preparation step rather than a treatment on its own.
Medicated Astringent Soaks
If your athlete’s foot is the blistering, oozing type, an astringent soak can be more useful than vinegar or salt. Over-the-counter aluminum acetate powder (sold under the brand name Domeboro) is specifically indicated for athlete’s foot. It dries oozing rashes, reduces blistering, and relieves itching and burning. You dissolve the powder packet in water according to the package instructions and soak for 15 to 20 minutes.
For more severe, weepy infections, some dermatologists recommend potassium permanganate soaks at a very dilute concentration of 1 in 10,000. You soak the affected area for 10 to 20 minutes, twice a day, and typically only need two to three days of soaks to dry out the weeping skin. This is a clinical-grade treatment, so follow a healthcare provider’s instructions on preparation. The solution stains skin and nails brown temporarily.
Soaks With Less Evidence
Baking soda may slow fungal growth when applied to feet, but the Cleveland Clinic notes that the mechanism isn’t clear and that slowing growth isn’t the same as curing the infection. Baking soda can also over-dry your skin, which creates tiny cracks that actually make you more vulnerable to infections.
Listerine foot soaks are a popular home remedy. The menthol and thymol in certain mouthwash formulas do have antifungal properties in lab settings, but no clinical studies have confirmed that soaking your feet in mouthwash reliably treats athlete’s foot. If you want to try it, it’s unlikely to cause harm, but don’t count on it as your primary treatment.
Hydrogen peroxide is another option you’ll see mentioned online. At the standard 3% to 5% household concentration, it’s a mild skin irritant that may help disinfect surface-level infections. Anything above 10% concentration is corrosive and can cause chemical burns, blistering, and bleaching of the skin. Stick to the standard drugstore concentration and limit soak time to 10 to 15 minutes.
Green tea soaks have some antifungal support from compounds called polyphenols, and they may reduce peeling and redness. The tradeoff is time: you may need daily soaks for up to three months to see results.
How Often and How Long to Soak
For most soaks, once or twice daily for 15 to 20 minutes is the standard recommendation. The total timeline depends on the severity of your infection and whether you’re using the soak alongside an antifungal product. Mild cases treated with vinegar or tea tree oil soaks plus an over-the-counter antifungal cream often improve within one to two weeks, though the fungus can linger longer than symptoms suggest. Plan to continue treatment for at least a week after your skin looks clear.
What to Do After Soaking
What you do after a soak matters as much as the soak itself. Dry your feet thoroughly, especially between the toes, where moisture gets trapped and fungus thrives. Use a clean towel and consider a hair dryer on a low, cool setting to eliminate residual dampness. If you’re using an antifungal cream or spray, apply it right after drying, when the skin is clean and slightly softened from the soak.
Wear clean socks made of moisture-wicking material, and avoid re-wearing shoes that haven’t had time to air out. Fungus lives in warm, damp environments, so keeping your feet dry between soaks is just as important as the soak itself. Rotate your shoes, use antifungal powder inside them, and go barefoot at home when you can to let your feet breathe.