Astringent active ingredients.

21 C.F.R. § 346.18
in effectEffective: 2024-07-01
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The active ingredient of the product consists of any of the following when used within the concentration range established for each ingredient: (a) Calamine, within a concentration range of 5 to 25 percent by weight per dosage unit (based on the zinc oxide content of calamine). (b) Witch hazel, 10 to 50 percent. (c) Zinc oxide, within a concentration range of 5 to 25 percent by weight per dosage unit.

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