I was a little skeptical that "glow in the dark" food coloring would actually work - but it did. AMAZING!! Here is a cake under UV / black light. And here it is under regular light. What a difference!! << Disclosure: We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.>> I used the ROLKEM brand of Lumo UV Fluorescent colors and I tried both the powder…
3k