(not vegan) E120 refers to the coloring agent in the pigment called Carmine, also known as Crimson Lake, Cochineal, Natural Red 4, or C.I. 75470. The pigment is produced by boiling certain types of scale insects. It is used in the manufacture of food, juice, candy, cosmetics, paints, and artificial flowers. E120 specifically refers to the ingredient when it is used as a food additive. E-numbers are ingredients approved as food additives in the European Union and Switzerland.