Ophthalmic astringent.
21 C.F.R. § 349.10
in effectEffective: 2024-07-01The active ingredient and its concentration in the product is as follows: Zinc sulfate, 0.25 percent.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-21.xmlFetched: 7/26/2026
