Everything you need to know about DIY headlight restoration in one place: why headlights turn yellow, what actually works, step-by-step instructions, realistic costs, common mistakes, and how long results last. The complete guide.

Wondering how much headlight restoration actually costs — and whether it's worth paying a professional or just doing it yourself? This honest breakdown covers real costs for every option: DIY kit, professional detailer, and full headlight replacement.