Our car cleaning and brightening spray contains nano-silica, sodium bicarbonate, lauryl ether 7. It is long-lasting and can provide up to 2 months of protection, saving your car lighting costs. Its use method is very simple: 1. Spray the cleaner on the location of the car to be cleaned, wipe it back and forth with a sponge 2. Dry the surface with a towel. And can be applied to vehicle types for paint, plastic, glass and other materials to help provide protection and restore the polished state.