There are few things that tweens love more than glitter and stretchy, sparkling slime.

I admit it, I love slime. It is one of the best way to introduce science to kids. My daughter, Kathryn, is an expert slime maker and the recipe below is her favorite because it creates ideal stickiness (also known as viscosity for fellow STEM nerds).

I also prefer this recipe because the ingredients are household items you most likely already have in your house, and more importantly, they’re less toxic than Borax. Many slime recipes call for Borax, which personally I am uncomfortable recommending for anyone who has young children or pets. 

I am shocked by how many slime recipes have gone viral on the internet that contain Borax. Good Housekeeping has documented cases where children have been seriously harmed using this caustic ingredient. Please be very cautious with any craft project for kids that uses Borax as an ingredient.

Ingredients

  • ¾ cup of school glue
  • 2-5 drops of red food dye
  • 3 tsp contact lens solution
  • 1 ½ cups of foam shaving cream (use old fashion white foam not gel)
  • Plastic gift container (I found mine in dollar aisle at Target)
  • Glitter
  • Sequins

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Glitter Slime in 7 Easy Steps

Step 1

Mix the ¾ cup school glue and food coloring to create your basecolor. The more food coloring the darker your base color.

A lighter base color allows the glitter to be more prominent. You can always add more color later, but I suggest starting with 2 drops to start.

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Step 2

Add 1 ½ cups of shaving cream and stir until it is mixed in to make a consistent color.

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Step 3 

 Add 3 tsp of contact lens solution and stir until mixed in.

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Step 4

Knead your slime mixture for 5 minutes. Stretch and pull the slime as if you were making pulled taffy.

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Step 5

Mix in your favorite glitter, sequins, and confetti. This is the time to let your kids be creative!

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Step 6

Knead the glitter into the slime mixture.

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Step 7

Place your glitter slime into a container for safe keeping or gifting.

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The Science Behind Homemade Slime

Slime requires 4 unique processes to work together to create any great slime creation:

  • Base

The core of your slime is a PVA glue. The brand of the glue can impact the result, so I prefer Elmer’s Glue. Other generic school glues tend to me more watered down which can affect the consistency.

  • Activator

This is the essential element that “activates” the base to create a chemical reaction that causes the slime to be sticky. In the recipe above that activator is contact lens solution.

  • Texturizer

The ingredient that is added to enhance the feel and softness of the slime. The recipe above uses foam shaving cream.

  • Topping

Toppings add color and scent to your slime experience. The toppings in our recipe are food coloring for color and glitter or sequins. Keep in mind that you should never add more toppings than base.  If your slime sits for a while, the topping may sink to the bottom of the container due to its weight it. So, make sure to knead your slime before using it again.

The only limitation in your slime creation is your child’s imagination! Let them have fun while they learn a bit of science with a creation that will keep them occupied and unplugged for hours.


About Kristin MacLaughlin

Mom of three, fosters rescued dogs, and is helping to drive the conversation about digital parenting as VP of Consumer Marketing for Zift.

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