How to Frost a Window with Cornstarch | How to Frost a Window

Instead of using curtains for privacy, frost your window and let natural light pass through it. Learn how to frost a window with cornstarch here.

How to Frost a Window with Cornstarch1
Image Credit: Instructables

Most of us have glass windows in our house but struggle with getting privacy. Though curtains are the go-to option for secluding your room, they can be a bit difficult to manage. There is another way that has been gaining popularity without affecting the look of glass windows. Temporary frosting glass windows can help in secluding the room and the aesthetic look is an added bonus. Here we will answer some of the questions you might have about frosted glass windows and how you can get them easily at home without spending a ton of money.

What is Frosted Glass and How it Helps with Privacy?

Frosted glass is a clear sheet of glass that is turned opaque through the process of sandblasting or acid-etching. It creates a pitted surface on one side of the glass surface, making it translucent. This surface reflects light in a scattered manner which blurs any image seen through them making them not just decorative, but functional as well. It still allows light to pass through it, unlike curtains, providing natural light throughout the day.

How to Frost a Window with Cornstarch

How to Frost a Window with Cornstarch2

What you need:

  • Tissue paper
  • Cornstarch
  • Water
  • Paintbrush


  1. Cut pieces of tissue paper according to the size of window glass panes.
  2. Now take 1 tablespoon of cornstarch and mix with the same amount of cold water to make a thick paste.
  3. Pour this paste into 3/4th cup of boiling water and mix it well. This will create a consistent milky paste.
  4. Using a paintbrush, coat a layer of the prepared paste on the glass window pane.
  5. Now place the tissue paper over it and paste it using the same mixture. Make sure you avoid any air bubbles and that tissue paper sticks to the glass surface.
  6. Now let it dry, the opaqueness increases as it dries out. You can paste another layer of tissue paper depending on how much privacy you need.

You can also use a fine piece of fabric instead of tissue paper for a personalized touch. Lace fabric or a plaid fabric will look great on the windows as they help adding a timeless look to your room.

Another Recipe for Frosted Glass

What you need:

  • Epsom Salt
  • Beer
  • Paintbrush


  1. Mix 4 spoons of Epsom salt with 1 cup of beer. Let the mixture sit for 30-40 minutes.
  2. Dab this using a paintbrush over the glass window.
  3. You can use stencils or painter’s tape to create patterns or just create simple frosted glass.

How to Get Rid of the Temporary Frosted Glass

You can clean the frosted glass by using a dishwasher cleaner and a soft cloth. This will remove the starch paste and the tissue paper can then be easily peeled off. Similarly, you can just dab hot water on the frosted window using a cotton ball and peel off the fabric/tissue paper.


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