StacksVerified U.S. regulatory reference

21 CFR §582.3670

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)Product. Propylparaben (propyl p-hydroxybenzoate).
  2. (b)Tolerance. This substance is generally recognized as safe for use at a level not exceeding 0.1 percent in accordance with good manufacturing or feeding practice.