The substance they used was the common food dye known as tartrazine, which also goes by the names of Yellow 5 and E102 when it is used in food (like Doritos), cosmetics, and drugs. By rubbing the ...

Medically reviewed by Corinne Savides Happel, MD Yellow 5, also known as tartrazine or FD&C yellow #5, is a synthetic yellow food dye suspected of being linked to health problems ranging from ...

Tartrazine, or E102, is a widely used orange dye prevalent in the food, pharmaceutical, and cosmetic industries. Those who ...