Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 5 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER D - DRUGS FOR HUMAN USE
/ PART 358 - MISCELLANEOUS EXTERNAL DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
/ Subpart F - Corn and Callus Remover Drug Products / § 358.503 Definitions.
§ 358.503 Definitions.
As used in this subpart:
(a) Corn and callus remover drug product. A topical agent used for the removal of corns and calluses.
(b) Collodion-like vehicle. A solution containing pyroxylin (nitrocellulose) in an appropriate nonaqueous solvent that leaves a transparent cohesive film when applied to the skin in a thin layer.
(c) Plaster vehicle. A fabric, plastic, or other suitable backing material in which medication is usually incorporated for topical application to the skin.