The food coloring has been linked to thyroid cancer in rats and is already banned in parts of Europe, Asia and certain US states.

A liquid food coloring will be much thinner and lend a lighter color than gel, while a gel dye is much thicker and more ...

(Just make sure you don't accidentally buy decorating gel instead of gel food coloring.) Aside from gel-paste coloring (the ...

One way they can do this is to use a process called chromatography. In the activity below, you can try chromatography to separate colors in a mixture of food coloring! Place a coffee filter on a tray ...

Household bleach reacts with a solution of green food coloring to first oxidize the yellow component of the dye, leaving only the blue coloring. Eventually, the blue dye is also oxidized, and the ...