Ok I used Klasse SG on the car and got to some points and realized I probably should have clayed, especially the horizontal surfaces. If I go back after next wash and clay is that going to remove my first layer of SG? By the way, I've had this SG for a few years. I think I had stopped using it on my previous car because I was a turd and applied it too thick and it was a nightmare to buff off. This time around, I got one of those little bottles with a sprayer on it, put some SG in it, and turned it to a fine mist spray and just misted the applicator that way instead of pouring it from the bottle. Seemed to make it apply much more evenly and thin, as it should be.