Use car dash board panel wipe to polish your bike its a far higher silicone content than most polishes.
Cleaning carbon fiber bicycle frame.
Cleaning and washing it s fine to wash carbon bicycles and components like you would any other using warm soapy water and a hose.
Or use a coating of car wax.
The wd 40 will leave a slick film that makes it easier to wipe off dust etc.
Nail polish is cheap includes a brush built into the cap and it dries fast too.
It will nicely touch up clear coats over natural carbon frames.
Yet as with any bike it s never a good idea to aim the water directly at bearings headsets cranks etc because that can wash the grease out.