The request is still under review, according to the agency, which states, "The FDA allows for the safe use of TiO2 as a color additive in foods according to the specifications and conditions ...

The TiO 2 is the important part; it changes color when heated by the laser, forming a deep black line that adheres to the surface of the glass. The glue is just there as a binder to keep the TiO2 ...

The FDA says that titanium dioxide is safe to use as a color additive in foods in small amounts. Titanium dioxide can’t make up more than 1 percent by weight of a food it’s used in ...

surpassing both the unmodified AL and the versions without TiO2. Additionally, the color improved significantly, with a ΔE ...