From another forum I use, this spray-on 'Bead Maker Paint Protectant' came highly recommended, so I bought some from Amazon and it is very impressive.

Easy to apply on a clean car, can be applied to all surfaces and it dries to a quality finish.

Be interested to see how long it lasts after another wash.

I have no connection whatsoever with the product, just a satisfied end user and the attached photo does not show the finish very well.

Looks great 👍 thanks for the recommendation 👍

There are cheaper detailers on the market and being a glutton for punishment have tried a lot of them, this seems to beat all the others I've tried.

Like most things these days there is too much choice around.