21 CFR § 73.2150 - Dihydroxyacetone.

---
identifier: "/us/cfr/t21/s73.2150"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 73.2150 - Dihydroxyacetone."
title_number: 21
title_name: "Food and Drugs"
section_number: "73.2150"
section_name: "Dihydroxyacetone."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "73"
part_name: "LISTING OF COLOR ADDITIVES EXEMPT FROM CERTIFICATION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 341, 342, 343, 348, 351, 352, 355, 361, 362, 371, 379e."
regulatory_source: "42 FR 15643, Mar. 22, 1977, unless otherwise noted."
cfr_part: "73"
---


# 73.2150 Dihydroxyacetone.

(a) *Identity and specifications.* The color additive dihydroxyacetone shall conform in identity and specifications to the requirements of § 73.1150 (a)(1) and (b).

(b) *Uses and restrictions.* Dihydroxyacetone may be safely used in amounts consistent with good manufacturing practice in externally applied cosmetics intended solely or in part to impart a color to the human body.

(c) *Labeling requirements.* The labeling of the color additive and any mixtures prepared therefrom intended solely or in part for coloring purposes shall conform to the requirements of § 70.25 of this chapter.

(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 requirements of section 721(c) of the act.