Titanium dioxide (TiO₂) nanoparticles are versatile materials known for their exceptional UV-blocking, photocatalytic properties, and applications in sunscreens, environmental cleanup, and energy conversion. However, safety concerns regarding inhalation and environmental impact persist.

Titanium dioxide (TiO₂) is a versatile, non-toxic compound widely used in paints, cosmetics, and food products. Its unique properties include high opacity, UV resistance, and photocatalytic activity.