The alcohol in your cleaner, besides safely disinfecting the surface of your tint, will also help your cleaner to evaporate quickly and streak free. Alcohol also helps to dissolve grease and oils, like the kind that causes fingerprints, from the window[2] X Research source .

White vinegar is a great natural cleanser, and it also fights odors, too.

You can find most of these cleaners at hardware or automotive stores.

It’s better to test it out on a small portion of your car than to mess up all of your windows at once. If your homemade cleaner doesn’t work out, you can pick up an ammonia-free glass cleaner from most hardware and automotive stores.

While you can work underneath a tree, make sure it’s not dropping sticky leaves or sap that might get on your car and dirty it up again.

If you come across a particularly difficult stain, like bug spatter, you can loosen it by soaking it in your cleaner for a few minutes. Try not to saturate the edges of the tinting with your cleaner. If cleaner gets underneath your tinting, it could result in it losing stickiness and peeling away from the window. Using a microfiber cloth will ensure that you don’t accidentally scratch or scrape your windows. If you don’t have a microfiber cloth, use a clean cotton rag instead.

You may want to wipe the tinting with strokes that are opposite to what you used on the outside of the window. For example, if you’ve wiped the outside of the window clean in a vertical fashion, you should wipe the inside in a horizontal fashion. This will make it easier for you to see where missed spots are located.

Never use a paper towel to dry your windows. The rough surface of the paper could scratch your windows or your car.

You can also use a window squeegee to push bubbles and creases out of your tint if you need to. If your tint has a lot of bubbles in it, you may need to get it replaced by a professional.