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Code of Federal Regulations (Last Updated: July 5, 2024) |
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Title 21 - Food and Drugs |
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Chapter I - Food and Drug Administration, Department of Health and Human Services |
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SubChapter D - Drugs for Human Use |
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Part 349 - Ophthalmic Drug Products for over-the-Counter Human Use |
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Subpart B - Active Ingredients |
§ 349.10 - Ophthalmic astringent.
Latest version.
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§ 349.10 Ophthalmic astringent.
The active ingredient and its concentration in the product is as follows: Zinc sulfate, 0.25 percent.