Ingredient Watch List: Iodopropynyl Butylcarbamate, the Toxic Preservative

Well here we are talking about the potential problems with synthetic preservatives again! Iodopropynyl butylcarbamate (IPBC) is a water-based preservative which—get this—was used originally in … Continue reading Ingredient Watch List: Iodopropynyl Butylcarbamate, the Toxic Preservative