Water is supposed to stay outside your headlights, not inside. Moisture in your headlights affects the optics, making them generally dimmer or even causing blind spots where no light shines at all. In ...

Headlights are the most important things to keep clean on your car. Not only do these powerful beams let you see the road, they let other motorists see you. Most headlight lenses are made of ...

A car's headlights grow yellow or cloudy over time due to the breakdown of the protective layer on the lens. That contamination can cause your headlights to be dimmer—and therefore less safe. One way ...

As people keep their cars longer, oxidation of commonly used plastic headlight lenses is an increasing problem for drivers, warns Consumer Reports. Oxidation creates a haze that’s not only unsightly ...

Clouded, yellowing headlight lenses are an eyesore and embarrassment on any car. The cause of the yellowing is prolonged exposure to sunlight, air pollution, dust, and other harsh environmental ...

Automakers used to manufacture headlight lenses from glass.The bad thing is that glass limits a lens' shape and size so the OEMs switched to a more aerodynamically friendly and lighter ...

We may receive a commission on purchases made from links. In the past, many car headlights were made of glass, which was expensive to make and often led to limitations in lens shape. Because of this, ...