Fluorescent dye glows a bright neon yellow when exposed to a UV light source. This is ideal for dying T-Shirts and coloring paper.
Open the highlighter.
Squeeze the yellow stick.
Bend it so all the liquid comes out.
Now turn on the light and it should look like this.
If it was done correctly it should glow like this.
If you add laundry detergent it will change color.
It works with big amounts too, just add a lot of water.
If you get your hands like this don't worry it's non-toxic... for the most part. Just wash your hands.
This can be frozen, and it won't lose it's glowing properties.
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