CFR›Title 21›Chapter I›Part 333 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 333—TOPICAL ANTIMICROBIAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE Subparts A Subpart A [Reserved] B Subpart B—First Aid Antibiotic Drug Products Sections 333.101–333.160 C Subpart C—Topical Antifungal Drug Products Sections 333.201–333.280 D Subpart D—Topical Acne Drug Products Sections 333.301–333.350 Authority21 U.S.C. 321, 351, 352, 353, 355, 360, 371.Source52 FR 47322, Dec. 11, 1987, unless otherwise noted. Previous 332 Part 332—Antiflatulent Products for Over-the-Counter Human Use Next 335 Part 335—Antidiarrheal Drug Products for Over-the-Counter Human Use