Our car window waterproofing spray contains lauryl polyether-7 and sodium lauryl polyether sulfate. It can effectively resist the adhesion of rain, sleet and snow, ensure a clear vision in bad weather, greatly improve the driving safety factor, and make every trip safer. Its use is very simple: spray the spray evenly on the surface of the rearview mirror or window glass, wait for 3 minutes, and wipe it back and forth with a clean cloth. And it can reduce the adhesion of water droplets and improve the safety of driving in rainy days.