How to Choose Headlight Sealants For Car?

It feels great after we clean our headlights and regain that original color. But given how headlights stay close to the road, it is only a matter of time before they get dirty again. The best way to avoid that is by using a quality sealant.

But finding that can be a bit tricky as some products don’t provide the result you want. Some others won’t give enough protection and let the headlights yellow again.

But you can stay sure that you won’t face any of that with the ten best headlight sealants from our list. Most of them are two-in-one products that both clean and protect your headlights.

1. Meguiar's G17804 Keep Clear Headlight Coating

Meguiar's G17804 Keep Clear Headlight Coating

Proprietary coating that provides headlight clarity for up to a year

Pros

  • It takes only 3-5 minutes to dry and a day to cure totally.
  • It can keep your vehicle headlights looking new for around a year.
  • Its UV protection can guard your headlights from harmful rays.

Cons

  • Unfortunately, the product only comes with 4 oz of sealant.
  • You may need to use tape around the headlight before using a sprayer not to ruin the paint.

Have a look at Meguiar’s G17804 Keep Clear Headlight Coating, a sealant that can effectively keep the headlight surfaces clear and shiny for months to come. Once you restore your headlight, this item can retain and protect that look with ease.

Meguiar’s is a top-quality brand when it comes to cleaning solutions. To keep their reputation, they made this headlight with advanced UV protection. Your headlight won’t face the fading issue even if you drive under the open sun every day for a long time.

As you keep your headlights clear, they won’t block any light output. So, your nighttime driving will be safer.

Once applied, this sealant will be effective for about a year. You can easily spray it on your headlights using the sprayer bottle. Meguiar’s even put a detailed step-by-step guide for the using process of this item.

2. Blue Magic 730-06PK Headlight Lens Sealer

Blue Magic 730-06PK Headlight Lens Sealer

Keeps lens clear & bright, Protects lens from UV Rays

Pros

  • You can use the sealant for a long time since the product comes in 6-bottles.
  • It is easy to hold and spray.

Cons

  • There are chances of issues in the packaging. Some people complained that they found bottles with the caps not properly on.
  • It contains hazardous chemicals. So, you should wear masks and gloves when spraying it.

If you want a headlight sealant that both protects your headlights from harmful weather and provides easy usage, we suggest the Blue Magic 730-06PK Headlight Lens Sealer. One of its practical features is that it comes in a plastic bottle easy to hold and spray. Moreover, there is a cap at the top that prevents accidental spraying.

The spray sealant comes with a total of 8 oz. As a result, you can seal your headlights and taillights, and still, there will be a lot left.

We recommend using painter’s tape around the headlight to avoid spraying on the wrong spot.

The headlight sealant can prevent aging, yellowing, hazing, fading, and similar issues for many months. It takes a little longer to dry, and you may want to avoid touching it for a day.

Note that the package will contain 6-bottles of sealants. Using once a week will do wonders for your headlight surfaces. It takes only 5-minutes to complete the process.

3. 3M 39195 Ultra Headlight Restoration Kit

3M 39195 Ultra Headlight Restoration Kit

FOR USE ON plastic lenses – headlights, taillights, fog lights, directional lights and more

Pros

  • You can use this headlight sealant on other plastic surfaces like taillights, directional lights, and fog lights.
  • It can avoid yellowing or grime using the abrasive property.
  • Since it comes with a complete kit, you won’t have to worry about buying additional tools.

Cons

  • Using the electric drill to use the sealant can damage the lenses even after using the recommended pressure.

Both cleaning and sealing your headlights require multiple tools to do it. That is why the 3M 39195 Ultra Headlight Restoration Kit can help you so much in this. This item is not just any temporary solution but a permanent and professional product for heavy-duty sealing.

The sealant specializes in two factors. Firstly, it restores the color of your headlights to make them shiny as new. It keeps that look even after using your vehicle for a long time.

Secondly, the item also has a UV-protection guard that keeps the headlights away from fading and losing colors. You can either go for the Ultra variation that requires a drill or the heavy-duty one.

According to what we experienced, it takes around 40-minutes to finish applying it. However, you must paint the surface a day beforehand. In the kit, you can find a disc pad holder, 3M white finishing disc- 800 grits, 3M gold finishing discs- 500 grits, trizact refining discs- 800 grits, and 3M quick-clear coat pouches for headlights.

4. Chemical Guys GAP11516 Headlight Restore and Protect

Chemical Guys GAP11516 Headlight Restore and Protect

Seals and protects against future sun damage

Pros

  • The bottle contains 16 oz of sealant, meaning there are a lot.
  • You can skip the sanding process, even though we don’t recommend it.
  • You can use the sealant on headlight housing with any color.
  • It is so easy to use.

Cons

  • It doesn’t result in a total clearness of your headlights. Your headlights will be restored around 80%.

If you have browsed the shops for cleaning solutions, you may have heard of Chemical Guys before. You can rely on their GAP11516 Headlight Restorer to remove any build-up and protect them. As the pack comes with 16 oz of sealant, you can use it for a really long time.

You can rub this liquid sealant on your headlight using a soft cloth since it doesn’t come in a sprayer bottle. Its UV-removal agent returns your headlight from its faded states and stops it from getting damaged again. So, not only does it restore the original look to your headlight but keep that look.

According to Chemical Guys, you don’t need to sand the headlights before using the sealant as it removes the build-up itself. But we still recommend doing so. We should give it one extra point for its ease of use.

5. Turtle Wax T-43 (2-in-1) Headlight Cleaner and Sealant

Turtle Wax T-43 Headlight Cleaner and Sealant

2-in-1 formula restores clarity and prevents yellowing in 1 easy step

Pros

  • It works with other cleaning agents.
  • You can use it on other translucent plastic surfaces.
  • It removes and prevents yellowing from plastic surfaces.

Cons

  • It is best as a sealant but not as a cleaner. We highly recommend using a different cleaning product to wash your headlights before using it.

You don’t only need a sealant for your headlight but a cleaner too. The Turtle Wax T-43 is a two in one chemical that works as both a cleaner and a sealer. As the bottle contains 9 oz, you can use it for a decent amount of time.

Many professionals prefer Turtle Wax over everything for their effective results. If you don’t know how to use it, you can find detailed instructions on their product descriptions. The manufacturers used OEM resins so that it can form protective covers over your headlights.

The item works against oxidization, fogginess, UV, and yellowing over plastic surfaces. You heard that right; this sealant is effective in other places aside from headlight lenses. You can use any leftover sealant on your plastic windows or clear plexiglasses.

Another great thing you need to know is that this sealant is totally compatible with other cleaning agents. So, before you use it, you may give your headlights a wash with a different cleaner. If you want to keep the shine look on your headlights, you need to use this sealant occasionally.

6. McKee's 37 MK37-130 Headlight Protectant Spray

McKee's 37 MK37-130 Headlight Protectant Spray

McKee's 37 headlight protectant spray is your best defense against UV-induced fading and discoloration

Pros

  • It tackles against the yellowing and fading of the headlights and restores them too.
  • It takes lesser than one minute to spray on the headlight surfaces.
  • The protective cover to tackle UV is stable and stays effective under the open sun for a long time.

Cons

  • You should use it more occasionally than usual (once a week) to retain its effectiveness.

Our next product works effectively and has an impressive performance that pleased many buyers. Although it isn’t a long-lasting solution as a sealant, it still is one of the best if you use it once in a while. The item comes in a durable spray bottle with a cap to avoid spraying unintentionally and accidentally ruining the paint.

The bottle contains 8 oz of sealant that can keep your headlights okay against UV-rays. You can literally apply the solution within a minute. Although, it can take longer as you may use masking tape on the paints.

The product works better on plastic headlights. As there won’t be any build-ups, you will be seeing the road ahead with a brighter view at night. You can find an easy step-by-step guide on their product description or by following the link.

7. Flitz Ceramic Spray Sealant

Flitz Ceramic Spray Sealant

Shine, Protect + Seal Clear Coat, Plastic,1 Application Lasts up to 12 Months

Pros

  • You only need to spray the sealant and wipe it with the microfiber cloth that comes along. You don’t need any extra items.
  • It works on any hard surface.
  • The sealant stays effective for 8-12 months after use.

Cons

  • It doesn’t provide a professional quality restoration.

What is better than a sealant that is heavily hydro repellent and seals the headlights from getting oxidized and faded? The Filtz Spray Sealant CS 02908 has properties that shine and protect the surfaces. It forms a clear coat on the plastic headlights.

Once you apply this sealant, your headlights will remain under protection for the next 12 months.

You can apparently buy 6-packs of it at once to save some money. As the bottle comes with a sprayer head, it is easier to apply it than average sprayers.

You can cover around 1,100 sq feet of surface area with one pack. Aside from headlights, you can safely use it on trucks, boats, paints, plastic, metal, granite, glass, and almost any other hard surface. You can restore the showroom look on your vehicle headlights in under 10 minutes. The usage is really simple.

8. Rain-X 800001810 Headlight Restorer

Rain-X 800001810 Headlight Restorer

Improves visibility with clearer headlight lenses

Pros

  • It is an option if you want a small bottle of sealant at a low cost.
  • The sealant cleans your headlights using multiple deep cleaning steps.
  • It works great in increasing visibility. You can literally see the yellowing of your headlights going away.

Cons

  • The bottle can be too little if you want enough sealant for longer usage.
  • You need to rinse and dry-wipe properly to avoid any residue.

The Rain-X 800001810 works so great as a sealant as it has multiple steps to keep the headlights intact for many drives. While the bottle comes with only 5 oz, the cost is not that high. So, you get the bang for the buck. The best thing to do is buy more than one pack.

You will be surprised to notice the change in your vehicle headlights after using this protectant. It works great against mild grime build-ups and yellowing. Restore the clear and transparent look on your headlight and keep it that way using Rain-X 800001810.

You only need to apply the sealant on a soft wet cloth and rub it on the headlight surfaces in a circular motion. It works better on plastic headlights than glass ones. Make sure to dry the headlights properly after usage.

Rain-X features a multi-step lens restoration process. Meanwhile, usual ones only restore the headlights with one step. So, this item cleans deeper than many other traditional cleaners.

9. Chemical Guys All in One Sealant

Chemical Guys All in One Sealant

Works Great As A Final Step Product That Produces An Exceptional Shine

Pros

  • It comes in a large bottle of 16 oz that will last a long time.
  • You can use it as a polish, restorer, and sealant at once.
  • Because of its acrylic-based element, you don’t need to worry about water to damage the paint or moisture to happen.
  • It also removes swirl marks and scratches.

Cons

  • While you can use a machine polishing device to apply it, wax residues may fly everywhere. So, be careful when using.

Some of us like products that provide multiple services at once. The Chemical Guys Gap_106_16 is one such item. It has three jobs- polishing the headlights, restoring their colors, and sealing them. And the product does all that excellently. And since you are getting a 16 oz bottle, you can use it on other surfaces without running out.

This sealant has silicone-free properties that will embed on your headlight surfaces to break down the grime and foggy build-ups and regain their true colors. You can also use it after cleaning your headlights with other chemicals.

Once you apply it, the item will get rid of any scratches and marks. As a result, you will get a smooth headlight with the original color.

We advise sanding the headlight before using it as a sealant. It stays water repellent using its acrylic-based element to avoid liquid damage on the surfaces. You can apply it using a rotary polishing machine, and its effect will remain for the next 6-months.

10. Formula 1 615874 Headlight Restorer and Sealant

 Formula 1 615874 Headlight Restorer and Sealant

It enhances your car’s visibility for safer driving at night. Transform your gloomy, hazy headlights into bright

Pros

  • It has a one-step restoring, meaning you don’t need to use sandpapers on the headlights.
  • It both restores and seals the surfaces almost like professional service.
  • You can also use it on brake lights, windscreens, boat windows, and motorcycles.

Cons

  • It doesn’t work against cloudiness that much.

Since a headlight out of dullness and yellowness is what we all want, Formula 1 615874 is an ideal headlight restorer and sealant in one bottle. You get 8 oz in a bottle. As you keep your vehicle clean with a single pack, you can stay safe at night with long-distance visibility.

The sealant is a great headlight restorer. It returns that new look to your headlights effectively. However, it is also usable in other places. Keep your taillights, windscreens, boat, brake lights, and even helmets shiny and safe against all mess types.

According to Formula 1, you don’t need to sand the headlights before applying the sealant as it uses its abrasive properties to achieve that same result. It is still a recommendation to clean your headlights beforehand. You can easily apply it on a soft cloth and rub it on the surfaces in rotary motions.

Buying Guide

When making the list above, we have come across several sealants to check. Unfortunately, most of them didn’t hold the quality that we expected. So, we thought that you could also face that situation.

In the worst-case scenario, you may purchase a low-grade sealant for your headlight. It is true that most of the items on the market can more or less perform the sealing process. But to get the best one, consider following the guide below.

Always stay careful and read the entire product description before buying anything for your vehicle’s maintenance.

How Long Will the Sealant Be Effective?

The effect of the sealant won’t last forever. Most of the ones you find on the market have a longevity of 4 months to a year. Since sealers from different brands have dissimilar properties and elements, they have a vivid lifespan.

As a result, it is something to check. See how long the headlights will stay protected after each application. We should note that some sealants with short effective times often are easier to apply to balance it out.

Compatibility

Yes, not all sealants are compatible with all issues. Some work extra effectively against UV, while others ensure no oxidization builds up. On the other hand, you should also buy a suitable sealant for the materials of your lenses and covers.

Some protectants will be particularly for plastic, while others are for glass. Only when the sealant meets your requirements, then consider buying it.

Size

This factor takes us back to the longevity of the sealant. You don’t need a large bottle if one has a long effective period. Only one application will be enough.

But if you need to apply it occasionally, you need at least 8 oz. You may also want to seal your taillights or brake lights. See if the sealant has enough amount for your need.

Simplicity of Usage

Not all sealants are as easy to apply as some. Our reviews above have some of them that come with sprayer bottles. So you can directly spray them on the headlights. Meanwhile, others may need you to rub the chemical on the surface using a soft cloth.

On the other hand, there are sealants that require a syringe or polishing machine to be applied. If you don’t have these tools, avoid those items.

Effectiveness

It is the most important factor. It is an imperfect one if a sealant fails to keep the headlights clean for the promised time. You can read the customer reviews to ensure the effectiveness of the protectant.

Frequently Asked Questions

What Do Headlight Sealants Do?

Headlight sealants work as a cover to protect the surfaces against UV rays. This harmful ray causes the cloudiness and fading of the headlights. A top-quality sealant can also prevent dirt and grime from forming on the surface.

Is Headlight Restoration Necessary?

Headlight restoration is a mandatory thing to perform as a vehicle owner. A dirty and messy headlight cannot project enough light particles as the build-up blocks a part of it. Thus, your headlights will get dimmer. Restoring the headlights will remove that build-up and makes it safer for the passengers.

Should I Clear Coat Headlights?

Applying a clear coat on headlights is really necessary if you want to avoid any further UV damage or fading. As you clean your vehicle, we highly suggest using at least two coats of clear coat to prolong their shiny looks. Doing so will also save you from the extra effort needed for cleaning the headlights again soon.

Final Note

Headlight sealants don’t cost much. Most of them will be available for under $20. But replacing a headlight can cost up to $1,000. Keeping your headlights covered with a protective shield prolongs their lifespan.

So, you won’t need to change the housing unit that quickly. You have to make sure to clean your headlights in time if it gets messy.

Before you apply sealants, you should clean the headlights first. While most of the items on our list work as a restorer, we still recommend using a proper cleaning agent.

If the sealant doesn’t work well with the cleaner, you may keep a decent interval between the cleaning and the sealing processes.

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