CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER D—DRUGS FOR HUMAN USE (parts 300 to 370) > PART 346—ANORECTAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE > SUBPART B—Active Ingredients (§346.10 to §346.22) > 346.20—Keratolytic active ingredients.

346.20—Keratolytic 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) Alcloxa 0.2 to 2 percent.
(b) Resorcinol 1 to 3 percent.