Preservative
Propylparaben (Propyl Paraben)
controversial
Preservative used in Ferretone; flagged for health concerns.
Why it's debated: Raises additional health concerns per the guide; a preservative in the Ferretone supplement that the guide flags.
Foods listing this ingredient
No catalogued foods list this ingredient yet.
Sources: https://www.amazon.com/FerreTone-Skin-Supplement-Ferrets-Ounces/dp/B004UMKJDC