It will nicely touch up clear coats over natural carbon frames.
Cleaning carbon fiber bicycle frame.
Touching up carbon chips can be as simple as dabbing on some clear nail polish.
Cleaning and washing it s fine to wash carbon bicycles and components like you would any other using warm soapy water and a hose.
The wd 40 will leave a slick film that makes it easier to wipe off dust etc.
I use either a little wd 40 or the orange based cleaner i use on parts sprayed on a shop towel to clean most everything on my carbon bikes except the brake surface on the wheels.
Nail polish is cheap includes a brush built into the cap and it dries fast too.
Use car dash board panel wipe to polish your bike its a far higher silicone content than most polishes.