This is the next viral social media classic! And to be clear from the start: please don’t pour Coke on your headlights.

Even though TikTok and Instagram videos often claim that Coke can make yellowed or dull headlights look like new in no time, the reality is unfortunately quite different:

The myth: Why it looks so good in videos
In theory, the trick uses the phosphoric acid in Coca-Cola. Acid can indeed temporarily dissolve surface dirt, rust, and light oxidation. When you then wipe off the wet Coke, the headlight in the video initially looks clean and shiny.

The reality: Why it’s a bad idea
The sticky effect: Coke is full of sugar. If you pour it on the headlights, it leaves an extremely sticky film. This attracts dust, pollen, and dirt like a magnet. After just a short drive, your headlights will be dirtier than before.

Damage to paint and seals: If the sugary acid runs down the headlights, it can damage the car’s paint or make the rubber seals around the headlights porous.

No long-term effect: The clouding of modern headlights is caused by UV radiation, which damages the plastic (polycarbonate) at minute intervals. Cola can’t fix that.

What really works instead:

If your headlights are cloudy or yellowed, there are two much better methods:

Toothpaste (The real life hack): Regular white toothpaste contains very fine abrasives. Rub the headlights with a little toothpaste and a microfiber cloth in circular motions and rinse them with clean water. This actually polishes away the dull layer gently.

Headlight restoration kit: Available for a small price at hardware stores or online. These kits contain fine sandpaper, polish, and—very importantly—a UV-protective lacquer. Without this protective coating, the headlights will yellow again after just a few months.

What “insider tip” from the internet did you come across next?