I decided that I didn't want to use curtains on our bathroom window so I was trying to find an alternative. I looked at the window films that they sell and didn't like how expensive they were. DIY window film with contact paper!
How We Transformed Our Studio Windows in One Hour (Emily Henderson)
One Way Mirror Film with Nighttime Vision One Way Mirror film can be installed to create maximum privacy during the day while preventing the “fishbowl” effect of the window film reversing its reflectivity back into your house at night.
Then I made the paste, which is just regular cornstarch and water. I used two tablespoons of cornstarch dissolved in cup of water, and then added it to 2 cups of boiling water. Applying fabric with cornstarch on glass for privacy. way classier than film