One bottle would be enough to last for the entire lifetime of the car.

Clear headlights with bug spray. Cleaning headlights with bug spray bug spray to clean headlights. Fold a shop towel into a small square, dip the edge into the urethane, wipe across the length of the headlight lens moving downward with slight overlap. Off bug spray contains deet (diethyltoluamide), which in small quantities can repel insects.

You will just be wasting your time and effort using bug spray, toothpaste, or baking soda. Pour the mixture over one headlight and let it soak for a few minutes before scrubbing with a rag or sponge. The chemicals help remove some of the dirt and uv.

Headlight restoration via crest toothpaste! Off bug spray contains deet (diethyltoluamide), which in small quantities can repel insects. It’s essential to keep the repellent away from the car paint because the chemicals in the spray may damage the paint.

I've noticed that it melts the plastic when you spray the bug spray on to clean the headlight. Its not just a rumor. Let it sit and dry.

I applied toothpaste after sun went down and rubbed it in this morning for. Watch the following video below and you will see, listen closely while you do. If you spray a cloth with bug spray and rub it on your old, cloudy lights they will look better.

Spray some of the cleaner on a rag and rub at the foggy headlights. Repeat this process on both headlights if needed. #3 · sep 29, 2014.