Manufacturers get titanium dioxide from minerals called brookite, rutile, and anatase. It's processed into a powder and refined to meet strict safety guidelines.

While Skittles don't include white in their line-up, Dr. Johnson-Arbor theorizes that titanium dioxide is used to help contain all the other beautiful colors.

Hebei Caixin Material Technology Co., LTD., formerly established in 2005, is located in the core of Beijing-Tianjin-Hebei City cluster, close to Tianjin Port, the largest port in the north, with developed transportation and outstanding people. After the continuous efforts of Caiqing people, has accumulated assets for the company of nearly 200 million, nearly 1,000 employees, Caiqing technology has become the pigment titanium dioxide research and development, production, sales and import and export trade in one of the large company, we integrate industry resources, to provide personalized customized services for global customers. We adhere to the market-oriented, good faith as the principle, is committed to open up a diversified international market, for the world customers to provide quality products, efficient service, is our unremitting pursuit. We sincerely invite customers from all over the world to visit our company.

There is some concern regarding skin and intestinal absorption of titanium dioxide nanoparticles, which are less than 100 nm in diameter.