Our Car Glass Oil Film Cleaning Agent Contains Brightener, Corrosion Inhibitor and Propellant. It Can Strongly Decompose Oil Film, Water Stains, Glue Stains and Other Stubborn Stains on the Glass. Its Use Method Is Very Simple: Take Appropriate Amount of This Product and Squeeze It on Glass Or Sponge. Immediately Wipe Back and Forth with a Sponge Or Towel. Rinse with Plenty of Water and Dry with a Towel. After Cleaning, the Glass Will Be Refreshed and a Protective Layer Will Be Formed, Making Water Drops Roll down, Rainproof and Waterproof.