

I bought a similar kit, and applied it at my friend’s garage. He laughed and told me any soft cloth + scouring agent works. He actually had a polishing machine, and we used that.
Thing is, you really have to get in there and let it scour & polish for a while; I was a bit timid at first.
But my kit included the “ceramic coat” which I applied afterwards. It probably does help a little (the car near-totaled soon after so idk).
Do you live in the USA? Don’t you have these large (and usually cheap) car part/DIY/outdoor stores? Cause that’s where I bought that kit.