Ceramic coatings are hard and resist abrasion themselves. However, they are also incredibly thin and cannot protect the underlying paint from any scratches, bumps, or stone chips.
At best, you can get away with some minor scuffs, but that’s pretty much it. Don’t expect any miracles.
If you’re looking for chip and scratch protection, you should check out our article on paint protection films. And yes, they create a perfect symbiosis with ceramic coatings for the ultimate defense