This color change tells you that the detergent contains a type of chemical called a base. The indicator solution contains molecules called pigment molecules that give it its color. In plain water, ...

All inks are made up of one or more pigments, which are molecules that give tattoos their color, and some kind of carrier for ...

Carmine, the intense red pigment harvested from the cochineal ... "Carmine is one of the hardest molecules to innovate. After a large investment and a lot of hard work, we are very proud to ...