How to Keep Headlights from Yellowing Again
Updated October 9, 2026 3 min readBy Dominick, owner of Slums Mobile Detailing
Once they're clear, keep them that way.
How do you keep headlights from yellowing?
Keep headlights from yellowing by making sure a UV-blocking coating is applied after restoration, parking out of direct sun when possible, washing lenses gently with car soap, and adding a ceramic coating or protectant for an extra layer.
Ceramic coating on lenses
Ceramic coating can add protection over a restored lens. Ask about it when booking a coating.