Today the main one is titanium dioxide — a naturally occurring compound that is extremely white and bright in its powdered form. Originally introduced as a safer alternative to white lead ...

Titanium dioxide (TiO2) is often found in food products ... because the American regulatory agency requires only that the packaging mention the use of an "artificial colour." ...

Experts are raising concerns about titanium dioxide, a commonly used pigment that makes our food prettier. And while the Food and Drug Administration says it's safe, the European Union and ...