Ceramic coatings work wonderfully at providing a water-resistant coating that lasts a long time. However, there are times that a ceramic coating must be removed from a car. Since ceramic coatings provide a semi-permanent physical layer on the car’s paint that protects the vehicle from a host of different contaminants, it is difficult for car wash soaps and cleaners to chemically remove the coating. That is why the general consensus is that physical removal of the coating is necessary in the form of either clay bar or polish in order to remove a ceramic coating.