can't read?
Amaranth - is a dark red to purple azo dye used as a food dye and to color cosmetics. Amaranth is an anionic dye.
A 1805 (OTTO) Amaranth Cas 915-67-3 - used as a food dye and to color cosmetics. The name was taken from amaranth grain, a plant distinguished by its red color and edible protein-rich seeds.