Why Your Car Headlights Turn Cloudy – and How to Clean Them Easily
If your car’s headlights look cloudy or yellow, you’re not alone. Over time, almost every car experiences this problem — but the good news is, you can fix it easily at home without professional tools.
Why Headlights Become Cloudy
Most modern car headlights are made of polycarbonate plastic, not glass. While this material is strong and lightweight, it’s prone to oxidation.
Here’s what causes that dull, foggy look:
UV Damage:
Constant exposure to sunlight causes the clear protective coating on your headlights to break down.
Moisture & Dirt:
Water, dust, and road salt gradually get trapped on the surface, creating a cloudy film.
Chemicals from the Road:
Car exhaust, oils, and debris can react with the plastic, making it look yellowish or hazy.
How to Clean Cloudy Headlights at Home (Simple DIY Methods)
Method 1: Toothpaste Trick
Clean the headlight surface with soap and water, then dry completely.
Apply a small amount of whitening toothpaste (the kind with mild abrasives).
Rub in circular motions using a soft cloth or sponge for 3–5 minutes.
Rinse and dry — you’ll notice instant clarity!
Tip: Add a little baking soda to the toothpaste for stronger cleaning power.
Method 2: Baking Soda + Vinegar Paste
Mix baking soda and vinegar into a thick paste.
Apply it to the headlight and scrub gently.
Let it sit for a few minutes, then rinse and dry.
This method helps remove deeper oxidation and restores shine.
Method 3: Use a Headlight Restoration Kit
If the haze is severe, you can buy a headlight restoration kit from any auto store.
These kits usually include sandpaper, polish, and a UV-sealing spray to protect your lights from future oxidation.
Prevent Future Cloudiness:
Park your car in the shade or use a windshield cover.
Apply a thin layer of car wax or UV protectant spray after cleaning.
Wash headlights regularly to prevent buildup.
With these quick fixes, your headlights can look bright, clear, and almost brand new — improving visibility and safety on the road.