CFR›Title 21›Chapter I›Part 347 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 347—SKIN PROTECTANT DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE Subparts A Subpart A—General Provisions Sections 347.1–347.3 B Subpart B—Active Ingredients Sections 347.10–347.20 C Subpart C—Labeling Sections 347.50–347.60 Authority21 U.S.C. 321, 351, 352, 353, 355, 360, 371.Source58 FR 54462, Oct. 21, 1993, unless otherwise noted. Previous 346 Part 346—Anorectal Drug Products for Over-the-Counter Human Use Next 348 Part 348—External Analgesic Drug Products for Over-the-Counter Human Use