Baking soda is a popular home remedy for athlete's foot, and most people already have it in their cupboard. Studies show that sodium bicarbonate has antifungal properties when used on the skin. The best method is to make a foot soak using half a cup of baking soda in a big basin of water. Soak the feet for 20 minutes, twice a day. Dry the feet afterward, but do not rinse them.

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