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.
Cleaning carbon fiber bicycle frame.
Nail polish is cheap includes a brush built into the cap and it dries fast too.
Or use a coating of car wax.
The wd 40 will leave a slick film that makes it easier to wipe off dust etc.
Cleaning and washing it s fine to wash carbon bicycles and components like you would any other using warm soapy water and a hose.
Unless its mud mucky water etc just drops off and when you get home a quick hose down with water is usually enough to clean it.
Touching up carbon chips can be as simple as dabbing on some clear nail polish.