How to Repair Scratches on Car Lights?

2 Answers
MacJourney
07/24/25 6:09am
If there are numerous or severe scratches on the car lights, it is not recommended to repair them; replacement is necessary instead. For minor scratches, you can try polishing them with toothpaste. Below are specific methods for repairing scratches on car lights: 1. Polishing Repair: For longer scratches and cracks on car headlights, you can use fine wood sandpaper to sand them down, followed by polishing with polishing wax. This repair method is quick and convenient, providing effective restoration at a low cost. However, since the lamp surface is usually made of plastic rather than paint, the light transmittance will decrease once the wax components on the surface wear off. 2. Fumigation Repair: Using a heater along with alcohol as a volatilizer, special processed and mixed materials are attached to the lamp surface through steam to fill in the scratches, which are then sanded down to achieve a refurbishing effect. The repair can last for about two years.
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DeHenry
08/11/25 1:54am
I have a DIY trick for fixing headlight scratches - just use regular toothpaste with a soft cloth. Find a white toothpaste containing mild abrasives, squeeze it onto a damp cloth, and gently rub the scratched area in circular motions for 3-5 minutes with even pressure. Rinse thoroughly afterward, and apply headlight restoration sealant if needed. This method works best for hairline surface scratches, restoring about 80% clarity. When parking, avoid brushing against bushes as branches leave the most scratches. If the scratch is deep enough to catch your fingernail, it's better to seek professional help - DIY sanding might cause clouding.
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