21 CFR 74.2602 - D&C Violet No. 2.
(b) Uses and restrictions. The color additive D&C Violet No. 2 may be safely used for coloring externally applied cosmetics in amounts consistent with good manufacturing practice.
(d) Certification. All batches of D&C Violet No. 2 shall be certified in accordance with regulations in part 80 of this chapter.