eCFR Reference Browser

---

title: "21 CFR §333.320"

source: "https://www.ecfr.gov/current/title-21/section-333.320"

title_number: "21"

volume_number: "5"

chapter_number: "Unknown"

subchapter_code: "D"

subchapter_subject: "DRUGS FOR HUMAN USE"

part_code: "333"

part_subject: "TOPICAL ANTIMICROBIAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE"

subpart_code: "D"

subpart_subject: "Topical Acne Drug Products"

section_number: "333.320"

section_subject: "Permitted combinations of active ingredients."

cfr_reference: "21 CFR 333.320"

title_name: "Title 21"

title_subject: "Food and Drugs"

parts_covered: "Parts 300 to 499"

revised_date: "Revised as of April 1, 2019"

publication_date: "As of April 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

(a)Resorcinol identified in § 333.310(b) may be combined with sulfur identified in § 333.310(f).

(b)Resorcinol monoacetate identified in § 333.310(c) may be combined with sulfur identified in § 333.310(f).

§333.320 - Permitted combinations of active ingredients.