§ 358.610. Pediculicide active ingredients.
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/us/cfr/t21/s§ 358.610·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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]