{"data":{"id":"us/21-cfr-358.610","jurisdiction":"us","citation":"21 CFR 358.610","heading":"Pediculicide active ingredients.","body":"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.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER D—DRUGS FOR HUMAN USE","PART 358—MISCELLANEOUS EXTERNAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE","Subpart G—Pediculicide Drug Products"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"8a3ee5c2e4703ca5cc5c4a3a5aec56fe901a60c85824b3a0330bfc5158fa7047","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-358.603","next":"us/21-cfr-358.650"},"notice":"GroundRules: Original legal text. Not legal advice."}