Add 3 generous cups of shaving cream to a large mixing bowl.
Add a few drops of food coloring and mix together until the color is even.
Add in ½ cup white glue and mix until combined.
Stir in ½ teaspoon baking soda.
Slowly add in 1 tbsp of contact solution while stirring continuously. As you stir, the mixture will begin to pull away from the sides of the bowl
Knead the slime by hand for a few minutes until fully mixed. If it’s still too sticky, add a little more contact solution, a few drops at a time.
Mix in glitter (optional).
After playing, store in an airtight container