21 CFR 346.18 - Astringent active ingredients.

Regulations last checked for updates: Nov 25, 2024

Title 21 - Food and Drugs last revised: Nov 21, 2024

§ 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]

authority: 21 U.S.C. 321,351,352,353,355,360,371

source: 55 FR 31779, Aug. 3, 1990, unless otherwise noted.

cite as: 21 CFR 346.18