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§ 158.1736 Lice.

40 CFR 158.1736

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  11. 40 CFR 158.1736
Citation40 CFR 158.1736
CorpusDaily eCFR
Displayed edition2026-04-15
Last updated2026-04-15

§ 158.1736 Lice.

(a) General. The table in this section applies to human lice. The product labeling claim determines the required test species. The required test species for a labeling claim appears in paragraph (b) of this section. The required performance standards appear in paragraph (c) of this section.

(b) Test species. For products making a claim against lice, the required test species for a labeling claim appear in the following table.

Table 1 to Paragraph (b)—Required Test Species for Products Making a Claim Against Lice

Labeling claimRequired test species
LiceTesting on one of the following species is required:
Head louse (Pediculus humanus capitis) OR Body louse (Pediculus humanus humanus).

(c) Performance standards. For labeling claims against lice, a performance standard of 100 percent is required.