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Glow in the Dark Fluffy Slime

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Everyone loves glow in the dark activities! Make things more fun when you make glow-in-the-dark slime! But not just any glow-in-the-dark slime recipes– make glow in the dark fluffy slime!

We love making things that glow, which is why it was so much fun to make a slime that can glow in the dark. It’s easy too, all you need is to add glow in the dark paint to your favorite fluffy slime recipe!

Keep reading to learn our tricks for making your slime glow brightly and to make sure you have everything you need to make glowing slime!

Making glow in the dark fluffy slime is as easy as 1,2,3! to The fluffy texture helps keep the mess low when kids are playing in the dark.

Glow in the Dark Fluffy Slime Recipe

It’s as easy as 1,2,3 to make glow in the dark slime! Adding the fluffy texture to your slime also helps keep the mess low when kids are playing in the dark.

slime science lesson

How Does Glow in the Dark Slime Work?

Glow in the dark slime is made using glow-in-the-dark paint. Glow in the dark paint that can be charged by sunlight contains luminescent phosphors that cause the paint to become phosphorescent (this means it can glow at night).

Luminescent phosphors are chemical compounds (safe for kids) that are produced in a lab and added to paint. But before the paint can start glowing, it has to be charged.

The sun’s UV rays charge the paint by putting the energy from invisible UV light into the paint particles. When it gets dark, the phosphorescent paint reflects the invisible light energy that it took in when exposed to sunlight and causes the paint, slime, and room to glow!

What Do I Need to Make Glow in the Dark Fluffy Slime?

Here are some things you will want to have when you make glow in the dark slime. Shop these Amazon affiliate links and get everything at once!

How to Make Glow in the Dark Fluffy Slime

Here are easy step-by-step directions to learn how to make glow in the dark slime. It's easier than you think, and making it fluffy prevents slime disaster in the dark!

Here are easy step-by-step directions to learn how to make glow in the dark slime. It’s easier than you think, and making it fluffy prevents slime disaster in the dark!

First, mix up one part white glue and some glow-in-the-dark paint. I used about two tablespoons of paint.

Next, add in your shaving cream to make the slime fluffier. I add about one cup of shaving cream per cup of glue.

glow in the dark slime

Stir, and then place outside in direct sunlight to charge the glowing part of the slime. This is fastest if you go outside to charge the slime.

Next, bring the glue mixture inside and add the slime activator. I usually just eyeball it these days, but if you need specific measurements, start by adding about half as much activator as you added glue.

green glow in the dark fluffy slime

In some climates, you may need to add the slime activator in a 1 to 1 glue to activator ratio.

When the slime is no longer sticking to your hands, take it into a dark room (a bathroom usually works well).

Watch the slime start glowing once it gets dark!

If your slime starts to be less visible in the dark, take it outside in full sunlight to charge it again.

You can keep re-charging the slime as long as you keep the slime!

slime science lesson

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Lemon jello slime

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