21 CFR § 740.18

21 CFR · Food and Drugs

§ 740.18 — Coal tar hair dyes posing a risk of cancer.

21 CFR § 740.18

TitleTitle 21: Food and Drugs PartPart 740: Cosmetic Product Warning Statements

SourceeCFR (current through Apr 9, 2026)

This text of 21 C.F.R. § 740.18 (Coal tar hair dyes posing a risk of cancer.) is published on Counsel Stack Legal Research, covering United States primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook

21 C.F.R. § 740.18 (2026).

Text

§ 740.18 Coal tar hair dyes posing a risk of cancer.

(a)The principal display panel of the label and any labeling accompanying a coal tar hair dye containing any ingredient listed in paragraph (b) of this section shall bear, in accordance with the requirements of § 740.2, the following: Warning—Contains an ingredient that can penetrate your skin and has been determined to cause cancer in laboratory animals.

(b)Hair dyes containing any of the following ingredients shall comply with the requirements of this section:

(1)4-methoxy-m-phenylenediamine (2,4-diaminoanisole) and (2) 4-methoxy-m-phenylenediamine sulfate (2,4-diaminoanisole sulfate). [44 FR 59522, Oct. 16, 1979] Effective Date Note: Effective Date Note:At 47 FR 7829, Feb. 23, 1982, § 740.18 was stayed until further notice, ef

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§ 740.18 Coal tar hair dyes posing a risk of cancer.

(a) The principal display panel of the label and any labeling accompanying a coal tar hair dye containing any ingredient listed in paragraph (b) of this section shall bear, in accordance with the requirements of § 740.2, the following:

Warning—Contains an ingredient that can penetrate your skin and has been determined to cause cancer in laboratory animals.

(b) Hair dyes containing any of the following ingredients shall comply with the requirements of this section: (1) 4-methoxy-m-phenylenediamine (2,4-diaminoanisole) and (2) 4-methoxy-m-phenylenediamine sulfate (2,4-diaminoanisole sulfate).

[44 FR 59522, Oct. 16, 1979]

Effective Date Note: Effective Date Note:At 47 FR 7829, Feb. 23, 1982, § 740.18 was stayed until further notice, effective Sept. 18, 1980.