As ugly as the nail fungus looks, that isn't what you're curing. Any "cure" you use is getting at the root of the problem and that's the fungus itself. It lives under and around the nail, it gets stuck inside the nail, staining the nail! Every time you think it's gone, it will come back if that nail has not grown 100% out.
All the cures, Vicks, vinegar, OTC products, and doctor's scripts do one thing by killing the virus while the nail grows completely out. It is kind of like if you bruise a nail. That bruise won't go away, until it grows out too.
You have to apply this stuff "every" day, for months and months. Don't apply it to the nail, apply it around the nail and under the nail, being careful to get down deep into the crevices.
Keep cutting the nail until it's all new nail!
If you have slow growing nails, this could take up to a year. And don't buy the stuff at Sally's. It is for topical fungus, like a mold. And it's not the same thing!
Source: Instructions on scripts, OTC products, a podiatrist, and my husband's big toe!
By Chris Burrows from Parish, NY
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To get rid of a toenail fungus, use Vick's Salve. (Vick's Salve has been around what seems like forever.) Spread it on and under the infected toenail.