How to Frost Glass With Epsom Salt

Make needle-like frost on your windows with Epsom salt.
Make needle-like frost on your windows with Epsom salt. (Image: Comstock/Comstock/Getty Images)

If you live in a climate that does not see a great deal of snow and frost, or if you simply would like to create a little bit of winter in the summer, frost your windows using an Epsom salt solution. Epsom salt forms a crystalline structure much like ice crystals do, and this layer of crystal can be applied to a window or any other glass surface. Use this project to teach your children about crystalline structures.

Things You'll Need

  • Cooking pot
  • 1 cup Epsom salt
  • Wooden spoon
  • 3 tbsp. dish detergent
  • Paintbrush

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Pour 1 1/2 cups of water into a cooking pot and place the pot on the stove.

Bring the pot to a boil over a high heat. Slowly stir in 1 cup of Epsom salt.

Stir the mixture with a wooden spoon until the Epsom salt is completely dissolved.

Remove the mixture from the heat and allow it to cool slightly.

Mix in 3 tbsp. of liquid dish detergent.

Paint the mixture onto the window using a paintbrush. The “frost” will start to form as the solution dries.

Tips & Warnings

  • Remove the frost by wiping it away with soap and water.
  • Paint the solution over a stencil to create frost designs.


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