How To Fix Headlight Oxidation?

Many wonder how do lights get dim and how to fix headlight oxidation. When you drive in the dark, does one have a tough time seeing the road? The sun, rain, and road conditions may have taken their toll on your acrylic headlights and caused them to show cloudy. Severely foggy headlights can reduce visibility by up to 50 percent. On top of this, hazy headlights are just plain ugly. Let’s uncover the explanations why your headlights get foggy and what you’ll do to prevent it.

What Makes Headlights Cloudy?

Here are some reasons behind the formation of oxidation and find the solution, how to fix headlight oxidation?

1. Oxidation:

Acrylic headlights oxidize when exposed to UV light. Headlight lenses accompany a transparent top coat to assist prevent this, but eventually, the coating wears off, and sunlight turns the hard plastic yellow.

2. Flying Debris:

Your headlights take a beating from gravel, road salt, and other debris that gets kicked up as you cruise down the road. This wears down the highest coat and creates pits and scratches on your headlights, adding to their cloudy appearance.

3. Dirt And Chemicals:

After several years on the road, a skinny layer of dirt and chemicals form on the lenses. This opaque layer dims the beam coming from your headlights.

4. Water Vapor:

Headlights are manufactured with a watertight seal, but wear and tear can cause this seal to interrupt. Condensation then forms inside the lens where you can’t wipe it away. The water droplets scatter the beam of sunshine, further impairing nighttime visibility.

How To Clean Headlights With Toothpaste?

Are you able to start cleaning those nasty yellow headlights? Good. Here’s how to fix headlight oxidation.

1. Clean With Soap And Water:

Clean the headlights and therefore the area around them with car wash soap and water. Dry everything with a clean cloth.

2. Apply Automotive-Grade Masking Paper:

Carefully apply tape to the world around them headlights to guard your car’s paint. To avoid damaging the finish, it’s important to use masking paper that’s designed for cars. you’ll find it at your local auto parts store.

3. Spray Headlights With Soapy Water:

Use a sprig bottle to use an answer of soapy water to at least one of the headlights.

4. Add Toothpaste To A Cloth And Scrub Gently:

Place a little amount of toothpaste onto a clean cloth. Using light to medium pressure, move your hand in circular motions to wash the headlight with the toothpaste. confirm to stay the headlight wet with soapy water while you are doing this.

5. Rinse Toothpaste Off:

Use clean water to get rid of any remaining toothpaste residue from the headlight.

6. Do An Equivalent Thing On The Opposite Headlight:

Repeat steps three through five on the opposite headlight, then dry both headlights with a clean cloth.

7. Apply A Coat Of Wax:

Take your automotive detail wax and apply a coat to every one of the headlights. Wipe them clean.

8. Use UV Headlight Sealant:

Apply UV headlight sealant to every one of the headlights. Follow the instructions that accompany the merchandise for correct application.

9. Cure Sealant In Sunlight Or With UV Light:

Leave the headlights to call at sunlight or use a UV light to cure the sealant. Allow curing for the required duration, as outlined within the product information. This is how to fix headlight oxidation using toothpaste by yourself.

How to Clean Headlights With WD-40?

If you would like a fast fix for a way to wash oxidized headlights, then the WD-40 product may be a great option. However, it’d not convince be an appropriate long-lasting solution for headlight restoration.

Prep your car for headlight defogging by protectively tapping off the world around your front lights. Mix a bucket of water with car shampoo or liquid dish soap and use our premium wash mitt to wash and prepared the surface for the WD-40 lubricant.

Shake the can of WD-40 and spray the merchandise onto the headlight lens, avoiding hitting unprotected car areas. Then, carefully but thoroughly wash the lubricant with another clean wash mitt or rag with the bucket solution. Once all the oil has been removed, try it off with the Cleaner and take away the tape (without spreading any lubricant left on top of it).

Use WD-40 sparingly, counting on this oil product too often could blur or blow out the bulb of your headlights, so make certain you wash it off completely whenever it’s used.

How To Fix Headlight Oxidation?

If possible, park within the garage or under a shady tree. If you don’t have that option, face your headlights far away from the sun when parking outside to scale back UV exposure and slow the oxidizing process.

Every three months, wash the headlights with automotive soap to wash away dirt and chemicals that promote fogging.
Polish the headlights: Use a non-abrasive polishing medium and a microfiber cloth to shine your headlight lenses and take away early signs of yellowing.

The results from DIY headlight cleaning only last a few months. The abrasive chemicals remove the oxidation, but they don’t protect against future yellowing. Professional headlight restoration is simpler. It involves:

  • Sanding the headlights to get rid of the oxidized outer layer.
  • Polishing the headlights to get rid of scratches that obscure the sunshine and attract dirt.
  • Sealing the headlights with a high-quality clear coat to slow future yellowing.
  • Fixing the headlight’s watertight seal so condensation can not form inside the lens.


As was mentioned, only too often, headlights eventually get foggy again after cleaning. If your work fades over time and you discover that your headlights have oxidized again, you’ll try repeating the cleaning process. Or better yet, consider buying a replacement set of headlights, as previously recommended. If you’re handy, you’ll even try replacing them yourself. After reading this don’t ask, how to fix headlight oxidation again.

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