Contrary to many readers' suggestions, tea tree oil just does not work, says a podiatrist. While the oil is good for clearing up the skin and stopping the itching, it does not eliminate the fungus so its back to square one if the treatment is stopped. The only natural therapy our podiatrist reader has found scientific support for is ozonised sunflower oil. Coincidentally, another reader has hit his kitchen cupboard to find a cure for his foot fungus. He rubs virgin olive oil to the affected area everyday after his shower.