# Listing of Color Additives Exempt From Certification; Silver Nitrate; Confirmation of Effective Date
> **Food and Drug Administration** · Final rule; confirmation of effective date. · Published 2021-12-29 · Effective 2021-10-06 · 86 FR 73969
## Document
- **Document number:** 2021-28158
- **Category:** fda-food
- **Sub-agency:** Food and Drug Administration
- **Federal Register citation:** 86 FR 73969
- **CFR reference:** 21 CFR 73
- **Publication date:** 2021-12-29
- **Effective date:** 2021-10-06
- **HHS docket:** Docket No. FDA-2018-C-0617
## Abstract

The Food and Drug Administration (FDA or we) is confirming the effective date of November 8, 2021, for the final rule that appeared in the Federal Register of October 6, 2021, and that amended 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/12/29/2021-28158/listing-of-color-additives-exempt-from-certification-silver-nitrate-confirmation-of-effective-date)
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