Our glass oil film dehumidifiers contain phenoxyethanol and disodium EDTA. It can be protected for a long time, light up immediately after wiping, and do not harm the glass. Its use method is very simple: 1. Clean the debris and dust on the surface of the car glass. 2. Open the package and take out wipes. 3. Wipe the glass firmly with a damp cloth. 4. Finally, your car's glass will shine as bright as new. And it makes the glass clean.