Regulatory challenges: the case of E171 in the EU and the UK
Titanium dioxide, also known as E171 is an additive very commonly used as a white colourant in food, but also in many other products, e.g., paints, cosmetics, toothpaste, etc. E171 is made of TiO2 (nano)particles that because of their extremely small size can squeeze through natural protective barriers of the human body and constitute a […]