{"data":{"id":"us/21-cfr-333.303","jurisdiction":"us","citation":"21 CFR 333.303","heading":"Definitions.","body":"As used in this subpart:\n(a) Acne. A disease involving the oil glands and hair follicles of the skin which is manifested by blackheads, whiteheads, acne pimples, and acne blemishes.\n(b) Acne blemish. A flaw in the skin resulting from acne.\n(c) Acne drug product. A drug product used to reduce the number of acne blemishes, acne pimples, blackheads, and whiteheads.\n(d) Acne pimple. A small, prominent, inflamed elevation of the skin resulting from acne.\n(e) Blackhead. A condition of the skin that occurs in acne and is characterized by a black tip.\n(f) Whitehead. A condition of the skin that occurs in acne and is characterized by a small, firm, whitish elevation of the skin.","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 D—Topical Acne 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":"9bae2ed705eaa7858d74d300dcacda3a714d59a0f9466e8d8dcaf87860b27b0b","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-333.301","next":"us/21-cfr-333.310"},"notice":"GroundRules: Original legal text. Not legal advice."}