- 1). Clean your headlight lenses with a soft rag soaked in warm, soapy water. Wipe the surrounding area clean so that dirt from there does not transfer to the plastic. Dry the area thoroughly with a lint-free towel.
- 2). Apply a small dab of tartar-control toothpaste to a clean polishing cloth. Polish a small area of your headlight lens with the toothpaste. Rub in small circles for best results.
- 3). Wipe the toothpaste away and inspect the area. If the fogginess is gone, polish the entire headlight this way until all fogginess has disappeared. If not, you will need to use harsher polishing methods.
- 4). Mask off the area around your headlight plastic with masking tape. Soak a piece of wet/dry sandpaper in cold, soapy water for 20 minutes. If your headlights are severely cloudy, start with 600-grit sandpaper; if there is only minor damage, use 2,000-grit.
- 5). Attach your soaked sandpaper to a sanding block. Sand lightly across the plastic surface, working in straight lines. Wet the paper repeatedly to make sure it is moist at all times. Dry paper can cause extreme damage to the plastic.
- 6). Dry the area thoroughly and inspect your work; you should see the fogginess reduced. Repeat wet sanding with 1,200 grit sandpaper and finish with 2,000 grit sandpaper; if you started with 2,000 grit, you only need to sand once.
- 7). Add a layer of plastic polish to a 3-inch polishing pad made of foam or wool. Polish the headlights in small circles, covering the entire surface. Add more polish as necessary as you work. Continue to polish until the lens is clear again.
- 8). Buff the lens with a clean microfiber towel to remove any residual haze from the polish. Apply a thin layer of auto wax with a towel to seal the lens and protect it from further damage.
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