StacksVerified U.S. regulatory reference

21 CFR §346.10

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
The 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:
  1. (a)Benzocaine 5 to 20 percent.
  2. (b)Benzyl alcohol 1 to 4 percent.
  3. (c)Dibucaine 0.25 to 1 percent.
  4. (d)Dibucaine hydrochloride 0.25 to 1 percent.
  5. (e)Dyclonine hydrochloride 0.5 to 1 percent.
  6. (f)Lidocaine 2 to 5 percent.
  7. (g)Pramoxine hydrochloride 1 percent.
  8. (h)Tetracaine 0.5 to 1 percent.
  9. (i)Tetracaine hydrochloride 0.5 to 1 percent.