Problem: Hazy Cloudy or Yellow Oxidized Headlight
First if we understand what causes today car headlights to get oxidized and discolored then we can do some things to prevent or prolong it from happening. In the good old days headlights were made from glass and we did not have the problem of yellowing headlights because of its structure. Now today and for at least the past ten years most headlights are made from polycarbonate plastic which is very though. The problem however is that this plastic is porous.
What Causes Your Headlights To Oxidize and Discolor