Ophthalmic vasoconstrictors.
21 C.F.R. § 349.18
in effectEffective: 2024-07-01The active ingredient of the product consists of one of the following, within the established concentration for each ingredient:
(a) Ephedrine hydrochloride, 0.123 percent.
(b) Naphazoline hydrochloride, 0.01 to 0.03 percent.
(c) Phenylephrine hydrochloride, 0.08 to 0.2 percent.
(d) Tetrahydrozoline hydrochloride, 0.01 to 0.05 percent.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026