Vite20 kills the fungus that causes fungal nails. Vite20 is an effective topical formulation that contains the active ingredient undeclynic acid. Medically proven, non-prescription cream that quickly penetrates to kill the fungus that can infect the nails of fingers and toes. Its unique blend of natural and traditional ingredients makes Vite20, safe and easy to use. The enriched, concentrated formula works promptly to soothe and moisturize the skin around your nails with the natural benefits of tea tree oil and lavender oil, while it swiftly absorbs to begin destroying stubborn fungus.