§ 358.610 Pediculicide active ingredients.
Current through Sep 8, 2026 · Read all of Part 358
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.
[63 FR 43303, Aug. 13, 1998]