[Code of Federal Regulations] [Title 21, Volume 5] [Revised as of April 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 21CFR348.10] [Page 282] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF PART 348_EXTERNAL ANALGESIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE--Table of Contents Subpart B_Active Ingredients Sec. 348.10 Analgesic, anesthetic, and antipruritic active ingredients. The active ingredient of the product consists of any of the following within the specified concentration established for each ingredient: (a) Male genital desensitizers. (1) Benzocaine, 3 to 7.5 percent in a water-soluble base. (2) Lidocaine in a metered spray with approximately 10 milligrams per spray. (b) [Reserved]