21 C.F.R. § 357.810 Active ingredients for deodorant drug products for internal use.
Title 21 - Food and Drugs
The active ingredient of the product consists of either of the following when used within the dosage limits established for each ingredient in §357.850(d): (a) Bismuth subgallate. (b) Chlorophyllin copper complex.
Title 21: Food and Drugs
PART 357—MISCELLANEOUS INTERNAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
Subpart I—Deodorant Drug Products for Internal Use
§ 357.810 Active ingredients for deodorant drug products for internal use.

