CFR /
Title 21
/
Part 82
/
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.