{"data":{"id":"us/21-cfr-358.310","jurisdiction":"us","citation":"21 CFR 358.310","heading":"Ingrown toenail relief active ingredient.","body":"The active ingredient of the product is sodium sulfide 1 percent in a gel vehicle. The gel vehicle is an aqueous, semisolid system with large organic molecules interpenetrated with a liquid.","path":["Title 21—Food and Drugs","CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES","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"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-21.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:47Z","sha256":"78a24a71d144ae34d1627c4a804e19908da82d0a5535f41e7c9f5f9bb46a72ed","source_id":"us-cfr","stale":true,"prev":"us/21-cfr-358.303","next":"us/21-cfr-358.350"},"notice":"GroundRules: Original legal text. Not legal advice."}