StacksVerified U.S. regulatory reference

21 CFR §358.610

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
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.