Skip to main content
Find a Lawyer

Code of Federal Regulations Title 21. Food and Drugs § 21.73.2995 Luminescent zinc sulfide

Current as of October 02, 2022 | Updated by FindLaw Staff

(a) Identity. The color additive luminescent zinc sulfide is zinc sulfide containing a copper activator. Following excitation by daylight or a suitable artificial light, luminescent zinc sulfide produces a yellow-green phosphorescence with a maximum at 530 nanometers.

(b) Specifications. Luminescent zinc sulfide 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:

Zinc sulfide, not less than 99.8 percent.

Copper, 100±5 parts per million.

Lead, not more than 20 parts per million.

Arsenic, not more than 3 parts per million.

Mercury, not more than 1 part per million.

Cadmium, not more than 15 parts per million.

(c) Uses and restrictions. The color additive luminescent zinc sulfide may be safely used for coloring externally applied facial makeup preparations and nail polish included under § 720.4(c)(7)(ix) and (c)(8)(v) of this chapter, respectively, to the following restrictions:

(1) The amount of luminescent zinc sulfide in facial makeup preparations shall not exceed 10 percent by weight of the final product.

(2) Facial makeup preparations containing luminescent zinc sulfide are intended for use only on limited, infrequent occasions, e.g., Halloween, and not for regular or daily use.

(d) Labeling requirements.

(1) The label of the color additive and any mixtures prepared therefrom shall bear expiration dates for the sealed and open container (established through generally accepted stability testing methods), other information required by § 70.25 of this chapter, and adequate directions to prepare a final product complying with the limitations prescribed in paragraph (c) of this section.

(2) The label of a facial makeup preparation containing the color additive shall bear, in addition to other information required by the law, the following statement conspicuously displayed:

Do not use in the area of the eye.

(e) 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.

Back to chapter list
Previous part of code Next part of code
Back to chapter list

Cite this article: FindLaw.com - Code of Federal Regulations Title 21. Food and Drugs § 21.73.2995 Luminescent zinc sulfide - last updated October 02, 2022 | https://codes.findlaw.com/cfr/title-21-food-and-drugs/cfr-sect-21-73-2995/

Read this complete Code of Federal Regulations Title 21. Food and Drugs § 21.73.2995 Luminescent zinc sulfide on Westlaw. Westlaw subscription required.

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature or via Westlaw before relying on it for your legal needs.

Was this helpful?

Search all Codes

Welcome to FindLaw's Cases & Codes

A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw's Learn About the Law.

Go to Learn About the Law

Latest Blog Posts

For Legal Professionals

Learn About the Law

Get help with your legal needs

FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.

Go to Learn About the Law

Need to find an attorney?

Search our directory by legal issue

Enter information in one or both fields (Required)

Copied to clipboard