[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: 21CFR350.60] [Page 290] TITLE 21--FOOD AND DRUGS CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF PART 350_ANTIPERSPIRANT DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE--Table of Contents Subpart D_Guidelines for Effectiveness Testing Sec. 350.60 Guidelines for effectiveness testing of antiperspirant drug products. An antiperspirant in finished dosage form may vary in degree of effectiveness because of minor variations in formulation. To assure the effectiveness of an antiperspirant, the Food and Drug Administration is providing guidelines that manufacturers may use in testing for effectiveness. These guidelines are on file in the Dockets Management Branch (HFA-305), Food and Drug Administration, 5630 Fishers Lane, rm. 1061, Rockville, MD 20852. These guidelines are available on the FDA's Web site at http://www.fda.gov/cder/otc/index.htm or on request for a nominal charge by submitting a Freedom of Information (FOI) request in writing to FDA's FOI Staff (HFI-35), 5600 Fishers Lane, rm. 12A-16, Rockville, MD 20857.