21 CFR 73.2396 - Lead acetate.
(a)Identity. The color additive lead acetate is the trihydrate of lead (2 + ) salt of acetic acid. The color additive has the chemical formula Pb (OOCCH3)2·3H2O).
(b)Specifications. Lead acetate shall conform to the following specifications and shall be free from impurities other than those named to the extent that such impurities may be avoided by good manufacturing practice:
(c)Uses and restrictions. The color additive lead acetate may be safely used in cosmetics intended for coloring hair on the scalp only, subject to the following restrictions:
(2) The cosmetic is not to be used for coloring mustaches, eyelashes, eyebrows, or hair on parts of the body other than the scalp.
(2) The label of the cosmetic containing the color additive lead acetate, in addition to other information required by the act, shall bear the following cautionary statement, conspicuously displayed thereon:
(e)Exemption for certification. Certification of this color additive for the prescribed use 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.