coch·i·neal –noun a red dye prepared from the dried bodies of the females of the cochineal insect, Dactylopius coccus, which lives on cactuses of Mexico, Central America, and other warm regions.
car·mine (also called Crimson Lake, Cochineal, Natural Red 4, C.I. 75470, or E120) Function: noun consisting essentially of an aluminum salt of carminic acid made from cochineal and used as a biological stain and as coloring in foods, drugs, and cosmetics
carmine 1712, from Fr. carmin, from M.L. carminium, from Arabic qirmiz "crimson," from Skt. krimiga "insect-produced," from krmi "worm, insect." The dye comes from crushed cochineal insects. Influenced in L. by minium "red lead." (Source: http://dictionary.reference.com)
Carmine is found in Guava Necter and other juices and candies. In addition, 95% of all cosmetics, for example MAC, Revlon etc. have carmine in abundance in cosmetic colors. It is primarily used to add color to the product and nothing else.