Ceramic tints use non-metal particles for UV

https://jaredfuea401.yousher.com/why-anchorage-drivers-choose-signal-safe-nano-tint-1

Ceramic tints use non-metal particles for UV and heat control with clear vision; nano ceramic packs denser nanoparticles for higher IR rejection, better comfort, and low haze—often at a higher but longer‑lasting price.