Title 21: Food and Drugs
« Home / Title 21 - Food and Drugs--Volume 5 / CHAPTER I - FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES (CONTINUED) / SUBCHAPTER D - DRUGS FOR HUMAN USE
/ PART 349 - OPHTHALMIC DRUG PRODUCTS FOR OVER-THE-COUNTER HUMAN USE
/ Subpart B - Active Ingredients / § 349.10 Ophthalmic astringent.
§ 349.10 Ophthalmic astringent.
The active ingredient and its concentration in the product is as follows: Zinc sulfate, 0.25 percent.