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I thinks dude tickerguy is actually right, this thing actually eats away the clear coat, otherwise, why would they tell you to cover the paint so much? If this Meguiar headlight coating was a protective, like a sealant, wax or paint coating, there would be no need to cover the paint, if anything, it would protect the paint and help it. They tell you to cover it, because it will ruin the paint.
You have to cover the paint, because is not protecting anything, it will gradually eat away the clear coat, this is how it keeps the headlights clear for 1 year. It is gradually removing material, thus preventing the haze and yellow from showing, but just like sanding you can only do it so much before there is no material and the headlight cracks.
Using this stuff on new headlights is a big NO, it would do more damage than good. This should only be used as last resort when your new headlights have finally starting hazing. If anything, you should be putting sealant on them every few weeks to slow down this process and make your new headlights last longer before resorting to using this coating
Last edited by Mazda6Suspension; 06-16-2018 at 05:38 PM.