By bonding to the clear coat, ceramic coating helps protect paint from UV rays, reducing fading, oxidation

https://ceramiccoat310.rivetgarden.com/posts/ceramic-coating-maintenance-guide-what-to-wash-with-and-how-often-to-wash

By bonding to the clear coat, ceramic coating helps protect paint from UV rays, reducing fading, oxidation, and dullness caused by long sun exposure.