just a hobby guy but going into my 3rd year with nano 1 And if your car is not coated like mine and has no swirls this stuff is real good brings back the gloss and clarity like nothing. I have seen.. I will admit I can not get perfect clarity I am reading all the forums and videos and pod casts Tried all the Kevin Brown methods to date because they have changed over the years. But my car looks really good with nano 1...