FD&C Red 40. It is used as a food dye and has the E number E129. It is used in some tattoo inks and is used in many products, such as cotton candy, soft drinks, cherry flavored products, children's medications, and dairy products. It is occasionally used to dye medicinal pills, such as the antihistamine fexofenadine, for purely aesthetic reasons. It is by far the most commonly used red dye in the United States,completely replacing amaranth (Red 2) and also replacing erythrosine (Red 3) It is also used in coloring hand soaps, dishwasher soups, toothpaste, shaving cream, mouth rinse. After shave lotions, deodorants, shampoo, household and industrial cleaning products
