Black Light Reactive Neon Nail Polish. Our Neon color nail polish glows bright when exposed to UV Black light. This paint look amazing day or night in any light. If you want to paint your nails a bright, vibrant neon color this is the nail polish for you. When your nails are exposed to uv light they will explode with color. The effect it amazing. This item is a must have for all black light UV parties, raves and events.