5 Reasons Why Your Headlights Get Foggy

You might have reached your destination safely if you have ever driven on a stormy or foggy night with the aid of your car’s headlight. Especially at night, when it comes to road safety, headlights are indispensable.

When the vision is completely impossible and disrupted, the headlights will improve the visibility of roads. Headlights will prevent collisions on the way, and be aware you are in the presence of other drivers. This is why you must always function and make them look their best. In this article, we will learn everything you need to know about why your headlights get foggy.

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Know Why Your Car Headlights Get Foggy

Water vapour

The accumulation of water vapour in the headlights lens is the most common cause of fogginess. However, you can purchase a brand new set of headlights since they are tooled up with a watertight seal. This watertight seal will restrict any moisture from entering your vision in the headlights. However, the headlights will allow condensation to get inside the lenses of the headlights and eventually, the seal will wear down.

As a result, the damage will eventually cause fogginess to the auto parts, inner wirings and the bulb. Due to the huge content of moisture in the air, water vapour occurs inside the headlight box that later gets trapped in the lightbox as the air dries outside the lightbox. Also, you must search for car headlights from boodmo.com


An acrylic outer covering protects the headlights of your car or automobile. So the headlights become more resistant to damage. Unfortunately, the headlights of your automotive are prone to wear and tear despite their tough exterior. The outer covering can be scratched through dust particles, debris, road salt, gravel and dirt. In addition, the headlights will likely degrade faster if you are adamant about travelling at higher speeds.

These scratches will result in foggy headlights with enough time and will completely impair the clarity of the lenses of your headlights. Also, you should look for car headlights from boodmo.

Chemical residue

An assortment of chemical products that are designed to protect the headlights from damage and maintain their lustre when your cars or vehicles are washed, buffed, waxed and coated frequently.

But, these chemicals can damage and cause various problems on the surface of the protective lens of your headlights. Some of these chemicals can cause a thin layer of gunk that will dim the insides of your headlights, while some even seep into the scratches. Dents and pits are created by the gravel on the lenses.

Dirt and dust

Dirt, dust and debris might appear easy to remove, but they are quite insidious. Dirt, dust and debris can slowly create a thin film by accumulating like chemical residue.

This thin film will dull your car and everything around it, like the headlights and the paint jobs. Chemical residue can compile with dust, dirt and debris and harden.

The hardened grime will cause a film right over the headlights of your car if you neglect it, and in the end, it will keep reducing the clarity of the headlights. Debris and small rocks pit the lens made of polycarbonate of modern car headlights. Also, you should search for car headlights from boodmo.

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Natural oxidation

The use of chemical products and the introduction of them are degraded by the acrylic covering of the headlights of your vehicle. Also, it oxidises whenever the acrylic covering of your headlights is exposed to UV light.

You must know that the headlight lenses are offered with a special anti-UV coating when it is brand new. But this specialised anti-UV coating will wear off eventually. All exposure to UV light will make the lenses of your headlights become opaque and turn yellow eventually once all the coating is gone. The process of oxidation occurs because modern automotive polycarbonate lenses as are deeply exposed to air.

When the lenses are exposed to UV radiation, they develop a microscopic crack that creates fogginess. Various issues are available to deal with the problems that we mentioned above. You can mitigate the problems through do-it-yourself solutions. Some of these solutions are off the shelf polishes, baking soda and vinegar washes, etc. Also, you must consider outright replacement, professional cleaning and restoration when the case turns out very serious


We have concluded this article with that. We hope we can help you with everything you need to know about the reasons why your headlights get foggy. But over time, the headlights will degrade, unfortunately.

Haziness and fogginess are the earliest signs through which you can predict these changes. Foggy headlights are known to be a safety hazard while they can be initially avoided. You can make your headlights last long with the common causes of foggy headlights.