Widely used as a white pigment in paints and coatings due to its high opacity and brightness. Provides excellent UV protection in sunscreens and cosmetics, making it a key ingredient in skincare products. Commonly added to plastics to enhance whiteness and resistance to discoloration from sunlight. Used in paper manufacturing to improve brightness and opacity. Also functions as a food additive (E171) to provide a white color in products like candies, sauces, and toothpaste. Employed in photocatalytic applications for air and water purification due to its ability to break down organic pollutants under UV light.