A 2012 study published in the journal Environmental Science & Technology noted that children are especially exposed to titanium dioxide because of the food that contains the food additive and is particularly marketed to children, including candy and cakes.
There are many uses of titanium dioxide that we don't know about because they were made exempt from being on the package in 1977, said Faber, who added that nothing much has changed since – other than the FDA approving some other uses of the color additive, such as expanding the use of mica-based pearlescent pigments (prepared from titanium dioxide) as color additives in distilled spirits over recent years.
Lithopone, also called zinc-barium white, is a very stable network molecular structure formed by the reaction of zinc sulfate and barium sulfide and calcined at high temperature. Lithopone is a white powder that is non-toxic and non-corrosive. It is insoluble in water and does not interact with hydrogen sulfide and alkali. It dissolves with acid and produces hydrogen sulfide gas.