A pair of cloudy headlights can make a respectable car look like it has spent 20 years parked behind a lawn mower. Unfortunately, the cosmetic problem comes with a more serious drawback: those hazy lenses can interfere with how much light reaches the road.
The temptation to grab toothpaste, baking soda, or whatever happens to be under the kitchen sink is understandable. The internet has no shortage of miraculous headlight-cleaning tricks. Some produce a little improvement, but others waste time without fixing the underlying damage.
