It is often forgotten in everyday odds and ends, but also many coloured paints need the white titanium dioxide to achieve sufficient opacity. Other properties make it the most important pigment for almost all everyday necessities: plastics, toothpaste, sun screen and of course paints and coatings. The classification by the European Commission was a shock for the industry. Of course everyone agrees that potentially dangerous substances must be labelled as such. Unfortunately, however, this classification is on shaky ground, namely a study on rats from almost 20 years ago, where in principle it was only proved that dust ...