Add equal parts of vinegar and hot water to a spray bottle and then mix in 1 teaspoon of Dawn. Keep a running water spray bottle handy. You can use a squeegee or brush to clean windows. Rinse it off with water.
Sometimes the window cleaner just doesn't cut it. For example, when it's been a long time since exterior windows should be cleaned or if you've been renovating your home that has left everything covered in dust and dirt. This requires a little more energy to clean the windows. Professional window cleaners often use dish soaps like Dawn or Joy to help their window cleaners slide.
However, dish soaps are degreasers composed of almost 100% surfactants, so they have a lot of foam. More on that in a minute. For interior windows and mirrors (also black stoves and granite countertops) I use a Weiman stainless steel spray cleaner. But I do my living cleaning and some of the manufacturers' guidelines are water with vinegar or pure vinegar.
I was warned not to use normal window cleaners on vehicles because it disintegrates the chemicals in the glass. If you wash windows during the hottest hours of the day in direct sunlight, the sun will dry the cleaning solution before you can complete the laminating process. It is best to do this type of cleaning early in the morning or in the evening after sunset during the day. They argue that paper towels can leave lint and stripes on windows when trying to dry the vinegar and Dawn cleaner.
To reduce the build-up of products such as hairspray and mousse, wash your hair with Dawn and then condition regularly. Also, in the granite cleaner recipe, is the detergent “dish detergent” or “dishwashing detergent”? For stains such as grease, oil, butter, etc., apply Dawn gel directly to the stain and rub until the oil is removed and the stain disappears. There are several methods for cleaning windows damaged by mineral deposits, but the best thing you can do is a commercial cleaner. If you have newer windows, Google the name, such as Pella's window cleaning guidelines, to see if your windows fall into this category.
The next time you have to undertake a major cleaning project, try using dish soap and Dawn vinegar to remove strong stains and dirty stains. A follower said she used an aerosol bottle to spray the cleaning solution on the inside of her windows and then used a squeegee to remove it.