5Star glass cleaner 400 g is a specially formulated product that is designed to clean and protect glass surfaces. It is made with a blend of cleaning agents and alcohol that work together to remove dirt, grime and fingerprints without leaving streaks or smudges. 5Star glass cleaner is also safe to use on tinted windows. To use 5star glass cleaner, simply spray or apply a small amount of product to the glass surface to be cleaned. Wipe the surface with a clean microfiber cloth until the dirt and grime are removed. For stubborn stains, you can use a soft brush to help remove them.