Titanium dioxide (TiO₂) is a white, opaque pigment commonly used in
paints, coatings, and cosmetics. It is valued for its brightness,
opacity, and durability. In addition to its role in various
products, TiO₂ is used in sunscreen for its ability to block UV
radiation. It\'s a non-toxic material, though there are concerns
about its potential risks when inhaled in nanoparticle form.