The black Tetroseal waxoil is great but beware the paint additive is very tenacious and so difficult to get off (including your hands). I use the clear equivalent near exterior paintwork which allows excess to be readily removed with white spirit.

Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone