[Peterjohnbull]

I wasn't really thinking it would be much more than a bit more permanent than wax (which I currently use). Whilst there are claims of these sealant thingys magically repairing your paintwork (etc) I imagine these are marketing nonsense!

They can be used on chrome too, which I avoid waxing.

I am interested in claims that water doesn't stick to the windscreen (really pity anyone that had to rely on my windscreen wipers - really poor). I use Rain-X (mainly the little bottle, rather than the spray) which is OK. I tried a theoretically better offering which I got from Frosts, but didn't find it any better.