I just shared an age old thing, ager app ko khujli ho rahi hae to ajwaen khaein aur bathroom jaen, takleef door ho jae gi. ye aap ka koi khareeda hua thread nahi hae, ager hae to report abuse ker dein aur apas mein apnay engines ki pictures share kerte jaen. The chemicals now available were not available 2-3 decades back, coke is still used to clean chrome worldwide. one should always try to find a simpler solution to a problem, for you diamond paste is available that you can rub forever on the screen and maybe damage it forever, and yes its natural ingredient too. Lemon is an excellent degreaser FYI