Product description ------------------- Aoowu Glow Uv Neon Glow Face Paint Crayons Kit, 6 Colors Safe Non Toxic Uv Glow Neon Face And Body Crayons For Adults Kids Halloween Makeup Party Cosplay Fluorescent Brightest Glow Under Uv Directions ---------- Twist up the crayon, apply to skin, let dry, clean off with soap and water