With Wednesday's ban of Red No. 3, there are now 8 artificial dyes in America's food supply. Discover what dyes remain, the health risk to humans, and the companies involved.

U.S. regulators are banning the dye called Red 3 from the food supply. The move comes nearly 35 years after the dye was barred from cosmetics such as lipsticks because of potential cancer risk.

Red Dye No. 3, also known as erythrosine, is a synthetic food dye that gives foods and drinks a bright red color. It is also sometimes used in oral medicines and dietary supplements. It first was approved for use in food in 1907. It's made from petroleum.