[Code of Federal Regulations] [Title 21, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR82.1104] [Page 446] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES PART 82--LISTING OF CERTIFIED PROVISIONALLY LISTED COLORS AND SPECIFICATIONS--Table of Contents Subpart C--Drugs and Cosmetics Sec. 82.1104 D&C Blue No. 4. The color additive D&C Blue No. 4 shall conform in identity and specifications to the requirements of Sec. 74.1104(a)(1) and (b) of this chapter. D&C Blue No. 4 is restricted to use in externally applied drugs and cosmetics.