§ 347.12. Astringent active ingredients.
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/us/cfr/t21/s§ 347.12·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
The active ingredient of the product consists of any one of the following within the specified concentration established for each ingredient:
(a)Aluminum acetate, 0.13 to 0.5 percent (depending on the formulation and concentration of the marketed product, the manufacturer must provide adequate directions so that the resulting solution to be used by the consumer contains 0.13 to 0.5 percent aluminum acetate).
(b)Aluminum sulfate, 46 to 63 percent (the concentration is based on the anhydrous equivalent).
(c)Witch hazel.