How to Clean Headlights with Toothpaste

You might not know it, but toothpaste is good for cleaning other things besides teeth. In fact, if your vehicle’s headlights are starting to look a little foggy, one of the simplest solutions is to polish the plastic outer covers using a dab of ordinary toothpaste and a soft cloth or brush. In just a few minutes, the gentle abrasives in the toothpaste will help remove dust, dirt, grime, and light-dimming oxidation, making your headlights shine brighter and clearer.

[Edit]Steps

[Edit]Washing and Taping off Your Headlights

1. Wash the headlights thoroughly with glass cleaner or soapy water. Spray your cleaner of choice liberally onto both headlights. Then, use a microfiber cloth or soft automobile sponge to wipe away as much dust, dirt, and stuck-on debris as possible.^[1]
   
   • Giving your headlights a quick preliminary wipedown will get rid of the worst of the mess, allowing the toothpaste to work more effectively on what’s left.
2. Dry the headlights using an absorbent towel or chamois. Once your headlights are clean, dab them with your towel or chamois to soak up any standing streaks or droplets of moisture. Be sure to dry off the edges of the covers, as well.^[2]
   
   • If you’re using a towel, make sure it’s of the lint-free variety. Otherwise, you could end up leaving behind small fibers, which can easily become stuck on the headlight covers.
   • Alternatively, you can apply the toothpaste while the headlights are still wet to produce a bubbly lather similar to soap.^[3]
3. Tape off the area around your headlights. Stick strips of automotive masking tape or painter’s tape over the paint at the top, bottom, and sides of both lights. Afterwards, inspect your work closely to make sure that there’s no exposed paint visible near the portion of the lights you’ll be cleaning.^[4]
   
   • The gritty toothpaste, combined with the pressure of polishing, could potentially damage any paint that’s not covered with tape.

[Edit]Polishing Your Headlights

1. Apply a dime-sized blob of toothpaste to each headlight. Squeeze the toothpaste directly onto the center of the plastic covers, or apply it to the cloth or sponge you’ll be using to do your polishing. Spread the toothpaste outwards in widening circles until it covers the entire surface of the headlights.^[5]
   
   • Try not to smear the toothpaste on too thick—it’s best to start with a small amount and add more later as needed.
   • It’s important to use an ordinary type of toothpaste rather than a gel. Gel toothpastes don’t contain abrasives, which are what is actually responsible for chipping away at the dingy layer of oxidation making the lights appear foggy.^[6]
2. Polish the headlights vigorously using a microfiber cloth or sponge. Scrub every inch of the covers from top to bottom, moving your cloth or sponge in tight, circular motions to wear down stubborn buildup. You should notice even the heaviest gunk and grime begin to disappear within seconds.^[7]
   
   • If your headlights don’t look any cleaner after your first few passes, switch to a soft-bristled brush to increase your coverage and really work the toothpaste into the plastic. An old toothbrush is perfectly suited for the task (who would’ve thought?).^[8]
   • Getting your headlights looking like-new may require a little bit of elbow grease. Take your time, and don’t be afraid to really dig in.
3. Rinse both headlights with warm water. Spray the lights with a hose or spray bottle, or douse them with water from a bucket or similar container if you don’t have either of the aforementioned tools. Continue rinsing until the water runs clear to ensure that you’ve flushed away every last trace of toothpaste.^[9]
   
   • Don’t forget to remove the tape from around your headlights when you’re finished.
   • Any toothpaste you miss will dry to a cloudy film, leaving you right back where you started.

[Edit]Applying a Sealant

1. Apply a coat of UV-resistant sealant to shield your headlights from the sun. Wet a folded paper towel with the sealant solution and wipe it onto both headlight covers. Use long, sweeping strokes and aim for full coverage. Unless otherwise specified, apply only a single coat of sealant.^[10]
   
   • You can pick up a bottle of UV-resistant headlight sealant for just a few dollars at any automotive supply store, as well as most supercenters, gas stations, and convenience stores.^[11]
   • A good UV sealant will slow the formation of oxidation on your headlight covers as a result of exposure to the sun’s rays.
2. Allow the sealant to cure in the sun for 10-45 minutes. Park your vehicle someplace outdoors where it can receive direct or partial sunlight. Most headlight sealants dry to the touch in a few minutes and cure to full strength within about half an hour. Exact cure times can vary somewhat, however, depending on humidity levels and the amount of sunlight available.^[12]
   
   • If you happen to have a UV lamp, you can speed up the process by shining it directly on your headlights for 10-15 minutes, or until they’re completely dry.^[13]
   • Hold off on washing your vehicle for at least 8 hours after applying headlight sealant.
3. Repeat the process every 2-4 months, or as needed. Using toothpaste to polish your car’s headlights is a great way to restore their original shine, but it’s not a permanent fix. In order to ensure that they stay bright and clear and provide maximum visibility, you’ll want to get in the habit of cleaning and sealing them every couple of months.
   
   • You may need to up the frequency of your cleanings if you do a lot of driving.

[Edit]Tips

• If you don’t like the idea of cleaning your headlights with toothpaste, it may be worth it to spend a little more on a commercial headlight restoration kit. These come with re-finishing polishes and pads that work in much the same way, but are formulated specially for use on automobiles.

[Edit]Warnings

• Steer clear of toothpastes containing flavor crystals, deep-cleaning beads, or other add-ins. Oversized abrasives can scratch the plastic surface of your headlight covers, causing them to show dirt more plainly and making them harder to clean in the future.

[Edit]Things You’ll Need

• Glass cleaner or soapy water
• Microfiber cloth or soft automobile sponge
• Lint-free towel or chamois
• Automotive masking tape or painter’s tape
• Regular non-gel toothpaste
• Garden hose or spray bottle
• Bucket or similar large container (optional)
• Toothbrush or similar soft-bristled brush (optional)
• UV-resistant headlight sealant
• Paper towel
• UV lamp (optional)

[Edit]References

[Edit]Quick Summary

1. ↑ https://www.today.com/home/foggy-headlights-here-s-x-easy-ways-clean-them-t141713
2. ↑ https://www.thevehiclelab.com/best-way-to-dry-car/
3. ↑ https://www.today.com/home/foggy-headlights-here-s-x-easy-ways-clean-them-t141713
4. ↑ https://www.popularmechanics.com/cars/how-to/a10346/how-to-make-your-headlights-shine-like-new-16649941/
5. ↑ https://www.themanual.com/auto/how-to-clean-foggy-headlights/
6. ↑ https://www.williamsonperio.com/wp-content/uploads/2014/07/Toothpaste-Abrasiveness-Ranked-by-RDA.pdf
7. ↑ https://www.youtube.com/watch?v=RQj6xdlbUsY&feature=youtu.be&t=84
8. ↑ https://www.youtube.com/watch?v=rXHTXdlWw1w&feature=youtu.be&t=79
9. ↑ https://www.themanual.com/auto/how-to-clean-foggy-headlights/
10. ↑ https://www.popularmechanics.com/cars/how-to/a10346/how-to-make-your-headlights-shine-like-new-16649941/
11. ↑ https://www.nitrojam.com/best-headlight-sealant/
12. ↑ http://www.prestaproducts.com/images/MediaGallery/Headlight%20Sealant%20Tech%20Sheet%20Revised%20Rev8%20041313.pdf
13. ↑ https://www.youtube.com/watch?v=aDajJmjB9Q4&feature=youtu.be&t=110

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