Red Dye #3 — also known as erythrosine or FD&C Red No. 3 — in cosmetics and externally applied drugs, based on its analysis of unpublished animal research suggesting a link to thyroid cancer. But the agency still allows its use in thousands of foods, dietary supplements and ingested drugs.
Unpublished.
I remember the “don’t eat the red M&Ms” fad based on this kind of hysteria.