§ 346.18 - Astringent active ingredients.  


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  • § 346.18 Astringent active ingredients.

    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.

    [55 FR 31779, Aug. 3, 1990, as amended at 59 FR 28767, June 3, 1994]