[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: 21CFR344.10] [Page 268] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF PART 344_TOPICAL OTIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE--Table of Contents Subpart B_Active Ingredients Sec. 344.10 Earwax removal aid active ingredient. The active ingredient of the product consists of carbamide peroxide 6.5 percent formulated in an anhydrous glycerin vehicle. [51 FR 28660, Aug. 8, 1986, as amended at 65 FR 48905, Aug. 10, 2000]