Titanium dioxide is an inorganic substance with a chemical formula of TiO2. It is a white solid or powdered amphoteric oxide with a molecular weight of 79.9. It has non-toxic, best opacity, best whiteness and brightness, and is considered the best performance in the world today. Of a white pigment. Titanium dioxide has strong adhesion, is not easy to undergo chemical changes, and is always white. It is widely used in coatings, plastics, papermaking, printing inks, chemical fiber, rubber, cosmetics and other industries. It has a high melting point and is also used to make refractory glass, glaze, enamel, clay, high temperature resistant laboratory utensils, etc.

At the same time, titanium dioxide has a good UV shielding effect, and is often used as a sunscreen agent to be incorporated into textile fibers. Ultrafine titanium dioxide powder is also added to sunscreen cream to make sunscreen cosmetics.