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How to kill fungus with salt

Updated February 21, 2017

Salt is a handy tool in the kitchen when cooking, but it can also be a helpful tool to kill a variety of fungi that can afflict the human body. Using salt is a natural and safe alternative to many chemical medications for problems like foot or nail fungus. So if you have an attack of fungi, be it skin or nail, try using salt to kill it.

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Toenail fungus

  1. Cut toenails as short as possible. File down any thick build-up that has occurred on nails due to the fungus. Filing will help salt treat the deepest layers of fungal infection.

  2. Boil about 1.4 litres (1 1/2 quarts) of water on medium heat, and allow to cool to a temperature that is bearable to the touch. Pour water into a wide container, like a casserole dish or small pot large enough to fit both feet and hold about 5 to 7.5 (2 or 3 inches) of water.

  3. Place feet in the container. Pour 400 g (2 cups) of salt over the toenail area, so toes are completely covered and surrounded by salt on all sides. Soak for about 20 minutes, remove feet and dry them off completely. Repeat process three times a day.

Fingernail fungus

  1. Cut nails down as short as possible, and file down any build up that has been caused by the fungus.

  2. Boil 474 ml (2 cups) of water on medium heat, and allow to cool to a bearable temperature. Pour water into a shallow bowl.

  3. Pour 100 g (1/2 cup) of salt into bowl and immerse the fingernails into the salt and warm water. Allow to sit for about 20 minutes.

Skin fungus

  1. Clean the affected skin with some mild soap, warm water and a clean washcloth. Throw the washcloth into the wash, and don't reuse until clean to prevent spreading fungal cells.

  2. Mix together 100 g (1/2 cup) of salt with 237 ml (1 cup) of white vinegar in a small bowl until it forms a grainy paste.

  3. Apply paste to the area of skin affected by the fungus, and let it sit for about 10 minutes. Rinse area with cool water and dry with a clean washcloth.

  4. Tip

    For added punch in treating nail fungus, try adding 237 ml (1 cup) of white vinegar to your foot soak, or half a cup for your hand soak. When dealing with fungus, it's important to keep the fungal area dry and away from heat and moisture. Try and wear sandals to keep feet dry, or put baking soda into shoes, and keep fingernails and skin dry from sweat.

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Things You'll Need

  • Nail file
  • Water
  • Wide container or pan
  • Salt
  • 237 ml (1 cup) white vinegar
  • Clean washcloths
  • Mild soap

About the Author

Amy Davidson is a graduate from the University of Florida in Gainesville, with a bachelor's degree in journalism. She also writes for local papers around Gainesville doing articles on local events and news.

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