{"data":{"id":"us/21-cfr-74.2104","jurisdiction":"us","citation":"21 CFR 74.2104","heading":"D\u0026C Blue No. 4.","body":"(a) Identity and specifications. The color additive D\u0026C Blue No. 4 shall conform in identity and specifications to the requirements of § 74.1104(a)(1) and (b).\n(b) Uses and restrictions. D\u0026C Blue No. 4 may be safely used for coloring externally applied cosmetics in amounts consistent with good manufacturing practice.\n(c) Labeling. The label of the color additive shall conform to the requirements of § 70.25 of this chapter.\n(d) Certification. All batches of D\u0026C Blue No. 4 shall be certified in accordance with regulations in part 80 of this chapter.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER A—GENERAL","PART 74—LISTING OF COLOR ADDITIVES SUBJECT TO CERTIFICATION","Subpart C—Cosmetics"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"efdb909543cec07adfdfdb3b96c84402e64f35e2159925cbadb933f29478e364","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-74.2101","next":"us/21-cfr-74.2151"},"notice":"GroundRules: Original legal text. Not legal advice."}