How to remove foggy headlights and what causes them?


22 Aug 2023

Causes and Solutions for Foggy Headlights.

Foggy headlights not only compromise your visibility and safety on the road but can also have implications for your car insurance.

The root causes of foggy headlights

Before we jump into the solutions, it's important to understand the underlying causes of foggy headlights. The primary culprit is oxidation, a natural process that occurs when the protective layer on your headlight lens deteriorates over time. This layer, usually made of a clear coat or UV protection, shields the plastic lens from UV rays and environmental factors. As it breaks down, the plastic becomes hazy, reducing light output and diminishing the appearance of your headlights.

Moisture and humidity also play a role in causing foggy headlights. When moisture enters the headlight housing, it can lead to condensation forming on the inner surface of the lens, further contributing to the foggy effect. Additionally, exposure to road debris, pollutants and UV rays can accelerate the degradation of the protective layer, exacerbating the foggy headlight problem.

A step-by-step guide to restoring foggy headlights

Now that we know what causes foggy headlights, let's dive into the process of restoring them and ensuring your safety on the road:

1. Gather your supplies

Before you begin, gather the necessary materials:

  • Headlight restoration kit (available at auto supply stores)

  • Microfiber cloths

  • Masking tape

  • Mild soap and water solution

  • UV protective clear coat (if not included in the restoration kit)

2. Preparation

Make sure the headlights are completely dry before proceeding. Thoroughly clean the headlights and the surrounding area using soap and water solution.

3. Tape off the area

Use masking tape to protect the adjacent painted surfaces from accidental damage during the restoration process.

4. Apply restoration compound

Apply a small amount of the compound onto a clean microfiber cloth and gently rub it onto the lens using circular motions. Follow the instructions on the kit for the best results. Most headlight restoration kits include a specialized compound to eliminate haze from the lens.

5. Polishing

After applying the compound, use a fresh microfiber cloth to polish the headlight lens. This step helps remove any lingering oxidation, leaving the lens clearer.

6. UV protection

A clear coat acts as a barrier against UV rays and environmental factors that contribute to oxidation. If the restoration kit doesn't include a UV protective clear coat, it's recommended to apply one.

7. Final touches

Stand back and appreciate the rejuvenated clarity of your headlights. Remove the masking tape and give the headlights a final wipe-down.

Impact on car insurance

While foggy headlights themselves may not directly affect your premiums, they can indirectly influence your safety record. Foggy headlights can impact your car insurance coverage in several ways. Vehicle safety features are taken into account when calculating premiums and clear headlights are an essential component of safe driving.

In the event of an accident, foggy headlights could be considered a contributing factor, especially if reduced visibility played a role. Additionally, if you have comprehensive coverage, addressing foggy headlights promptly may be seen as responsible vehicle upkeep, reflecting positively on your insurance record. While not a direct cause of an accident, foggy headlights might be seen as a failure to properly maintain your vehicle, which could potentially affect your claim.

Preventive measures and car insurance benefits

To prevent foggy headlights and potentially enhance your car insurance coverage, consider the following preventive measures:

  • Regularly clean your headlights as part of your vehicle maintenance routine to remove dirt, debris and contaminants that contribute to foggy lenses.

  • Apply a protective clear coat or film to your headlights to shield them from UV rays and environmental damage.

  • Promptly address foggy headlights to demonstrate responsible vehicle ownership and maintenance.


Clear and functional headlights are crucial for safe driving and can have implications for your car insurance coverage. Understanding the causes of foggy headlights and following the steps to restore their clarity can help you to improve your visibility on the road and potentially positively impact your insurance record. Taking proactive measures to prevent foggy headlights not only enhances your safety but also contributes to responsible vehicle ownership which kotak general insurance appreciates.

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Team Kotak GIC

The content of this blog has been created and carefully reviewed by the esteemed team at Kotak General Insurance, with the sole purpose of providing valuable guidance and sharing insights on the importance of general insurance. Our objective is to assist users in making informed decisions when purchasing or renewing insurance policies for their cars, bikes, and health. Our expertly curated information aims to empower our readers with the knowledge they need to protect their valuable assets and financial interests.