Local anesthetic active ingredients.
21 C.F.R. § 346.10
in effectEffective: 2024-07-01The active ingredient of the product consists of any of the following when used in the concentration or within the concentration range established for each ingredient:
(a) Benzocaine 5 to 20 percent.
(b) Benzyl alcohol 1 to 4 percent.
(c) Dibucaine 0.25 to 1 percent.
(d) Dibucaine hydrochloride 0.25 to 1 percent.
(e) Dyclonine hydrochloride 0.5 to 1 percent.
(f) Lidocaine 2 to 5 percent.
(g) Pramoxine hydrochloride 1 percent.
(h) Tetracaine 0.5 to 1 percent.
(i) Tetracaine hydrochloride 0.5 to 1 percent.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
