An infection of nail fungus occurs when fungi infect one or more of your nails. A nail fungal infection may begin as a white or yellow spot under the tip of your fingernail or toenail. As the nail fungus spreads deeper into yo Now there's a solution to your nail fungus problems. Zetaclear Homeopathic Nail Fungus Treatment is a 2-step solution that combines a topical solution with a powerful homeopathic spray to help clear nail fungus fast.