So I came upon this amazing formula for making an invisible ink , with could only be seen under UV/Black light.Glad you asked!Black lights are not that differ.
Fantastic Glowing Landscapes on the Bodies of Girls
I love this black light photo and how it showcases all the glow paint. I think that it is amazing how different types of light create different things.
Do-It-Yourself Halloween Decoration How-To Tips: Mystical Glowing Walkway - roll of brown paper and sheets of neon paper - stick on glue
Beautiful florescent bodypaintings by John Poppleton.