Streak-free cleaners are specially formulated cleaning products designed to leave surfaces clear and shiny without any residue. They are commonly used on glass, mirrors, and other shiny surfaces where streaks can be particularly noticeable. These cleaners often contain ingredients that help dissolve dirt and grime while preventing streaks from forming during the cleaning process. Many streak-free cleaners are available in spray bottles for easy application. Some popular brands include Windex and Glass Plus. These products can be used on various surfaces, including windows, countertops, and automobiles, making them versatile tools for maintaining a clean and polished appearance.