The real
treatment is internal, but again, when you stop doing it you might get the
fungus back again. Raw garlic is a very potent anti-fungal, though you'll smell like garlic. You have to try each one of the possibilities to see what works, so here's the external rundown: neem oil, tea tree oil, wild oregano oil, raw garlic oil, grapefruit seed extract, pao d'arco. There are others, but these are strong. Thuja is another.