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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 30, 2025
All Titles
Title 21
Chapter I
Part 346
Subpart B - Subpart B—Active Ingredients
§ 346.10 - Local anesthetic active ingredients.
§ 346.12 - Vasoconstrictor active ingredients.
§ 346.14 - Protectant active ingredients.
§ 346.16 - Analgesic, anesthetic, and antipruritic active ingredients.
§ 346.18 - Astringent active ingredients.
§ 346.20 - Keratolytic active ingredients.
§ 346.22 - Permitted combinations of anorectal active ingredients.
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