{"data":{"id":"us/21-cfr-333.210","jurisdiction":"us","citation":"21 CFR 333.210","heading":"Antifungal active ingredients.","body":"The active ingredient of the product consists of any one of the following within the specified concentration established for each ingredient:\n(a) Clioquinol 3 percent.\n(b) Haloprogin 1 percent.\n(c) Miconazole nitrate 2 percent.\n(d) Povidone-iodine 10 percent.\n(e) Tolnaftate 1 percent.\n(f) Undecylenic acid, calcium undecylenate, copper undecylenate, and zinc undecylenate may be used individually or in any ratio that provides a total undecylenate concentration of 10 to 25 percent.\n(g) Clotrimazole 1 percent.","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 333—TOPICAL ANTIMICROBIAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE","Subpart C—Topical Antifungal 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":"7f635ae9d2189eade2c8000a9313b49c4320283da69b3b2f4c1d08c8bacc6eb8","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-333.203","next":"us/21-cfr-333.250"},"notice":"GroundRules: Original legal text. Not legal advice."}