Top 8 Ways To Clean Foggy Headlights

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Are your car headlights yellow, foggy and oxidized so much that it doesn’t make a difference whether they are turned on or off? It is time to clean them. I will show you 8 ways to do it.
Top 8 Ways To Clean Foggy Headlights: 
  • With a toothpaste
  • With Sandpaper
  • UV Coat
  • Vinegar
  • Baking Soda
  • WD40
  • Coca-Cola
  • Dish Soap
It is very important to have clean headlights while driving, especially at night. You want to make sure you have good visibility in order to avoid accidents. You don’t have to spend money to clean your headlights, you can do it with some household items. Please note that the cleaning done with the household items is not Permanent. But don’t worry, I have included a permanent cleaning method in this article. As a bonus tip, you will find how to fix your headlight with moisture in it. You can basically find every information about your headlight maintenance in this article. Let’s get started:

How To Clean Your Headlights With Toothpaste

If you touch your headlights on the outside and they are not smooth, all pitted, that indicates that they should be polished out.
So you want to make sure you use a toothpaste that has some grittiness to it and is an actual paste and not a gel. I usually use a toothpaste that has a baking soda and peroxide which will help get your headlight lenses clear.
If your toothpaste isn’t gritty, then you can add some baking soda to the toothpaste.
  1. Start off by getting a bunch of toothpaste and rub it in. Make sure you rub it in good cover.
  2. Use a toothbrush and brush it in there really good! The more yellow the headlight is, the longer you will have to brush and you might even have to do two applications of toothpaste.
  3. Another tool you can use is a Dremel with a buffing wheel on it. Just buff all of the toothpaste into the headlight instead of brushing it in only with a toothbrush. This might give you better results. Make sure you use the low-speed setting (15k rpms or less). You don’t want this to spin fast because you will melt your plastic.
  4. Wash it off with some water and wipe it with a clean paper towel.
  5. Apply wax on your headlights.
  6. Wait 5 minutes and remove the wax with a clean towel. This will provide a protective layer so the headlights won’t get yellow again quickly.

How To Clean Your Headlights With Sandpaper

If you can’t get your headlights clear using this method, then you need new headlights.
For this method, you will need three different grits of sandpaper – 400 to start, then 600, then 2,000. The lower the number, the more abrasive the sandpaper.
You will also need some warm water. Make sure your headlight is clean before you start.
  1. Get the headlight soaking wet.
  2. Tape off your paint. You are going to use a sandpaper and you don’t want to damage your paint. If your headlights have rubber trim around them, then you are good to go.
  3. Get your sandpaper (400)and soak it wet.
  4. Start by normal motions. Keep a flat surface, do not try to dig in.
  5. Inspect. What you want to see is a uniform haze. It’s not going to look clear at all, and that’s good. Touch the surface. It should feel kind of smooth. There might be a little bit of grittiness which is fine. If there is a lot of grittiness you want to sand that spot pretty good.
  6. Move to the next grit 600 and again soak your sandpaper wet.
  7. After you get this grit done, wipe it off again to see what you have to work with.
  8. Next grit is 2000 mm. If you have 1000, you could do 1000, then you could do 2000. It’s up to you.
  9. Get your headlight soaking wet and get your sandpaper soaking wet. With the 2000 grit, you might have to apply a little bit more pressure.
  10. Wipe your headlights with a towel.
  11. If you are not satisfied with the results, you can also use the toothpaste trick.

You should now have clean headlights. Take a before and after picture to see the results. You saved yourself two headlights which is a decent amount, especially on some cars that could be $200-$300.

How To Clean Your Headlights With Baking Soda and Vinegar

Another great way to clean your headlights with $0 spent. All of us have vinegar and baking soda at home. In addition, you will need some clean towels and that’s all.

  1. Start off by mixing vinegar with water. If you have a spray bottle, add the mixture in it. You will need to clean the dust off from the headlights. Spray the cleaning solution and wipe your headlights with a clean towel. You can also use this solution for your windows.
  2. For the second step, you will need to mix vinegar with baking soda. Mix them with ratio 2:1 with 2 for white vinegar and 1 for baking soda. You will see a chemical reaction, but do not worry, this is not harmful to you. You don’t need to use gloves.
  3. Apply this mixture to your headlights and start wiping them. With a clean towel and circular motions, wipe until you get the wanted results. You can repeat this process as many times as you want.
  4. And for the last step, you will need some clean water and a clean towel. Rinse off your headlights with water and wipe it with the towel. You can also use a sponge to rinse the headlights.

How To Clean Your Headlights With WD40

Many people think that WD40 can be used only on metal. Many people don’t know that WD40 can be used for cleaning as well. WD40 will clean your foggy headlights without damaging the plastic. You will need some other household items besides WD40. Let’s start:

  1. Your headlights probably have some dead bugs on them, as well as dust. Start by wiping them with a paper towel or baby wipes.
  2. Mix toothpaste with baking soda in a bowl. Apply the mixture on the headlights and spread it evenly with a scouring pad. Wipe in circular motions until you see your lights clear.
  3. Spray water on the headlights and wipe them with a clean towel. You will notice that your lights are much cleaner than before, but this is not the end.
  4. Buff the headlights with the WD40. Buff them until you get the wanted results.

How To Clean Your Headlights With Coca-Cola

I use coca cola to clean many things, and it’s so scary. I used to drink so much coca cola and when I saw that people actually clean with it, I stopped drinking it. Now I use it to clean my toilet and my headlights. And I can say that it’s doing a pretty good job.

  1. Start off by wiping the dirt from your headlights with some towel soaked in water.
  2. Apply the coca cola on your headlights. You can either spray the coca cola(if you have a spray bottle) or soak a sponge or a towel and apply it on your headlights.
  3. Leave it for 5 minutes.
  4. Wipe your headlights with a clean towel.
  5. Wash them off with water.
  6. If your headlights are very dirty, you might not get results with only one cycle. Repeat the process as many times as needed.

How To Clean Your Headlights With Dish Soap

This method is very simple and works. The good thing is that it’s gonna cost you $0. We all have dish soap at home, as well as baby wipes and towels.

  1. Wipe your headlights with a baby wipe to remove the dust.
  2. Apply some hot water on your headlights.
  3. Apply some dish soap and leave it to sit for 5 minutes.
  4. Start wiping in circular motions.
  5. Rinse your headlights with hot water.
  6. Repeat the process as needed.
This is a great way to restore your headlights permanently. This will cost you around $10 per headlight. The other methods with home remedies such as vinegar, baking soda, toothpaste, or the 3m kit work great, but they are not permanent. Your lights will eventually become hazy and oxidized. I’m about to show you the only permanent method that doesn’t require any maintenance such as adding wax or adding a sealer every so often. Not only do hazy oxidized headlights look bad, they also decrease the value in
your car. So not only will you make your car look better, but you’re actually going to help increase the value of the car by fixing your headlights.
So here’s everything you need to do the job:
  • Scissors
  • Garbage Bag
  • Tape
  • Paper Towels
  • Sandpaper 400grit, 600grit, 2000grit
  • Spray bottle with water
  • Alcohol
  • Gloss Clear for plastic
The big thing is you want them to be non-yellowing and UV resistant. The reason why your headlights are all foggy, yellowing and oxidized is because of the clear coat on the headlights gets chipped off over time from rocks hitting it from just. This method is going to put a nice barrier so that the plastic can’t get yellow and hazy again. Most people have scissors and a garbage bag and some paper towels, but if you’re going to buy the other stuff it’ll cost you around $20. So you figure, to make your headlights permanently clear $10 a headlight. That’s not bad, especially since some headlights can cost over a $100. I’ve seen headlights that are $250 each. I’ll show you the whole process. It’s quick and easy. Let’s start:
  1. If your headlights are easily removable I would remove them. It’s a lot easier to do this off the car. If not, you can do this process without removing your headlights.
  2. Tape around the headlight(if you are not going to remove it). Make a nice barrier around the edge. I usually use extra wide painters tape.
  3. Put the garbage bag around the light to fully cover the pain on the vehicle.
  4. Start with 400 grit sandpaper. If your headlights aren’t that bad, you could start with 600 grit sandpaper which is a little bit finer. Then we’ll finish it off with a little bit of 2,000 grit which is super fine.
  5. Spray the headlight with water. Make sure both surfaces are nice and wet. The water acts as a lubricant and prevents deep scratches into the surface.
  6. Start with circular motions. Do not apply a lot of pressure. You’ll notice like a milky color running down. That’s all that oxidized yellowing plastic that’s coming off your headlight.
  7. Move to the 600 grit. Again get your headlight nice and soaking wet, get your sandpaper nice and soaking wet. Do a bunch of swirling motion with the 600 grit, then start with horizontal sanding. With this type of sanding, you will have that top layer of the oxidize headlight completely removed.
  8. Clean the headlight with water before starting the next step.
  9. Move up to the 2,000 grit. You don’t want to press really hard on this, you just want to skim the surface. You’re just going to cut down some of the edges that the 600 grit put on here. After you do enough of the swirling motion, you could do the horizontal motion. This is going to be the final touch. Don’t worry if your headlights are still hazy.
  10. Dry it with a paper towel.
  11. Get your alcohol and put it on a low lint paper towel. Clean the headlight lens off. The alcohol removes any oils from your hands that may have gotten onto the lens, and it also makes the lens dry quickly. You can apply alcohol multiple times.
  12. As your alcohol is drying, cut your garbage bag open.
  13. Start your clear coat application. Make sure you follow the instructions on your clear coat. You don’t want thick coats. Thick coats are going to run. Make sure you do light coats, even sprays.
  14. Let it sit for five minutes and then add another coat. Add 3-4 layers with a 5-minute rest in between. Make sure when you’re spraying you’re also getting the top edge of the light and the corners of the light. Depending on how your light is shaped, you want to make sure that you touch all the spots on the light.

That’s it. The UV Coat does not only make your headlights look good, but it’s going to protect the headlight. It’s going to bounce all those harmful UV rays out and It’ll prevent any future yellowing or hazing or oxidation. This is permanently going to stay like this.

You can also add some wax, but it’s optional.

BONUS: How To Fix Headlight With Moisture In It

You might have noticed that some headlights have water drops in them. This is actually an issue. There shouldn’t be water inside the headlights. If the water gets into contact with your light, it will burn it. This is an easy fix and you don’t need to be a mechanic to perform this task. Follow my step by step guide:

  1. Start off by removing your headlight. All headlights have 2 or 3 bolts that you need to unscrew. Usually, there is one on the left and one on the right side as well as one on the bottom of the headlight. After you remove the bolts, you will have to disconnect the cable.
  2. After you removed the headlight and the cable connected to it, take your light bulb out.
  3. Fil your headlight with water all the way to the top.
  4. See where the leakage is.
  5. After you located your where your leakage is, take the water out and dry your headlight.
  6. After you dry your headlight, clean the surface where the water is leaking from. You can use a glass cleaner or just soapy water.
  7. If the surface is rough, you can sand it a little bit.
  8. Apply silicon on the surface and spread it with your fingers. Leave it to dry.
  9. You can test to see if you sealed the leak by filling the headlight with water.
  10. Re-install your headlight.

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