§ 346.18. Astringent active ingredients.
85 words·~1 min read·
/us/cfr/t21/s§ 346.18·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 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]