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 D - Ingrown Toenail Relief Drug Products / § 358.303 Definitions.
§ 358.303 Definitions.
As used in this subpart:
(a) Ingrown toenail relief drug product. A drug product applied to an ingrown toenail that relieves pain or discomfort either by softening the nail or by hardening the nail bed.
(b) Retainer ring. A die cut polyethylene foam pad coated on one side with medical grade acrylic pressure-sensitive adhesive. The retainer ring has slots, center-cut completely through the foam with the cut of sufficient size to allow for localization of an active ingredient in a gel vehicle to a specific target area. The retainer ring is used with adhesive bandage strips to place over the retainer ring to hold it in place.