[Code of Federal Regulations] [Title 21, Volume 5] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR346.16] [Page 270] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) PART 346_ANORECTAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE--Table of Subpart B_Active Ingredients Sec. 346.16 Analgesic, anesthetic, and antipruritic active ingredients. The active ingredient of the product consists of any of the following when used within the concentration range established for each ingredient: (a) Camphor 0.1 to 3 percent. (b) Juniper tar 1 to 5 percent. (c) Menthol 0.1 to 1 percent.