I have used Adam's graphene ceramic spray after a wash and clay for the previous two cleanings on my '19 GMC Sierra Denali HD. The most impactful change I've seen is the reduced build up of road grime on the truck's trouble areas - lower doors, lower quarters, and lower fenders. Often times, especially during paving season, I'd see an excess of tar, imbedded dirt, and other impediments in these spots. The effort needed to decon these area during clay treatments was significant. Yes the paint repels water and it looks cool, but the real benefit IMO, is the reduced risk of scratching the paint during decon which in turn should prolong the need for short term paint corrections. I haven't coated the chrome wheels on the truck yet, but I plan to do this before the brine and salt hits the roads this winter.
Dan
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