21 CFR 358.310 - Ingrown toenail relief active ingredient.

Regulations last checked for updates: Feb 12, 2026

Title 21 - Food and Drugs last revised: Dec 18, 2026

View all text of Subpart D [§ 358.301 - § 358.350]

§ 358.310 - Ingrown toenail relief active ingredient.

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.

authority: 21 U.S.C. 321,351,352,353,355,360,371

source: 55 FR 33255, Aug. 14, 1990, unless otherwise noted.

cite as: 21 CFR 358.310