21 CFR 73.2125 - Potassium sodium copper chlorophyllin (chlorophyllin-copper complex).
(b)Uses and restrictions. Potassium sodium copper chlorophyllin may be safely used for coloring dentifrices that are cosmetics subject to the following conditions:
(1) It shall not be used at a level in excess of 0.1 percent.
(2) It may be used only in combination with the following substances:
(d)Exemption from certification. Certification of this color additive is not necessary for the protection of the public health and therefore batches thereof are exempt from the certification requirements of section 721(c) of the act.