DIY Glow In the Dark Frosting and Spider Cupcake Recipe and Tutorial from Handmade Charlotte.

You will need a black light for the frosting to glow - not mentioned at Handmade Charlotte. So what is this mysterious ingredient that is food safe an glows in the dark? Tonic Water.

What else glows under black or ultraviolet light?

Here’s a list from (the why of it and photos at this link):

  • tonic water (containing quinine)
  • scorpions
  • some vitamins and drugs
  • chlorophyll
  • people
  • toothpaste and tooth whiteners
  • antifreeze
  • fluorescent gems and minerals
  • body fluids
  • bank notes
  • laundry detergent
  • banana spots
  • some toys
  • some plastics
  • white paper
  • some cosmetics
  • some animals, plants, and fungi (especially marine life)
  • Petroleum jelly, such as Vaseline, glows a bright blue color under a fluorescent light
  • uranium glass or vaseline glass
  • rock salt
  • fungus that causes Athlete’s Foot (supposedly glows orange)
  • turmeric (a spice)
  • olive oil
  • canola oil
  • some postage stamps
  • highlighter pens
  • honey
  • ketchup
  • cotton balls
  • pipe cleaners (chenille craft sticks)