― This is how our windows look most of the time. Our back sliding glass door usually has Lola the dog nose prints on it as well. We think our kids actually don't know how to use the handles on our nice, new, shiny, black fridge. They seem to leave hand prints all over the fridge all the time. It seems we have to clean it with window cleaner every day. ∙ In the past we have used Windex. It is a great product until you look at the label. Windex's main ingredient (as with most window cleaners [...].