Listing of Color Additives Exempt From Certification; Silver Nitrate
(a) Identity. The color additive silver nitrate is a purified inorganic compound obtained as the recrystallized precipitate from the concentrated reaction mixture of silver and excess nitric acid at elevated temperatures, followed by drying the decanted, filtered, and washed crystals. The color additive has the chemical formula AgNO3.
(b) Specifications. Silver nitrate 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: ....
Source : 21 CFR 73.2550 ; 86 FR 55498, Oct. 6, 2021
SUMMARY : The Food and Drug Administration (FDA or we) is amending the color additive regulations to provide for the safe use of silver nitrate as a color additive in professional-use only cosmetics to color eyebrows and eyelashes. This action is in response to a color additive petition (CAP) filed by GW Cosmetics GmbH.
DATES: This rule is effective November 8, 2021. See section VIII for further information on the filing of objections. Submit either electronic or written objections and requests for a hearing on the final rule by November 5, 2021.
