21 C.F.R. § 82.304 FD&C Red No. 4.
Title 21 - Food and Drugs
The color additive FD&C Red No. 4 shall conform in identity and specifications to the requirements of §74.1304(a)(1) and (b) of this chapter. FD&C Red No. 4 is restricted to use in externally applied drugs and cosmetics.
Title 21: Food and Drugs
PART 82—LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS
Subpart B—Foods, Drugs, and Cosmetics
§ 82.304 FD&C Red No. 4.