StacksVerified U.S. regulatory reference

21 CFR §82.304

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.