No. However, it allows those nasty water spots to be removed easily without causing damage to the surface. Because Ceramic Coating forms a protective over the substrate, it won’t allow minerals etch or corrode the surface being protected by NANOLAB Ceramic Coating. This will in turn prolong the life cycle of your paints, metals, plastics, vinyl and gelcoat among other things. Ceramic Coating refers to a silica- or glass-based product and the windshield glass can still have water spots. However, it has a much higher level of resistance to water spots than the clearcoat.