---
kind: "section"
citation: "21 C.F.R. § 358.610"
title: "21"
number: "358.610"
heading: "Pediculicide active ingredients."
url: "https://uscodex.org/cfr/21/358.610"
---

# §358.610. Pediculicide active ingredients.


The active ingredients of the product consist of the combination of pyrethrum extract (providing a concentration of pyrethrins of 0.17 to 0.33 percent) with piperonyl butoxide (2 to 4 percent) in a nonaerosol dosage formulation.


## Notes

### Amendments

[63 FR 43303, Aug. 13, 1998]

### Source

Source: 58 FR 65455, Dec. 14, 1993, unless otherwise noted.

### Authority

Authority: 21 U.S.C. 321, 351, 352, 353, 355, 360, 371.

### Source

Source: 55 FR 33255, Aug. 14, 1990, unless otherwise noted.

### Amendments

[63 FR 43303, Aug. 13, 1998]