We are SO excited........ our natural preservative for our goat milk lotions is FDA approved. Tinosan SDC has meet FDA standards. Silver Based Antimicrobial for personal care applications.+ Formaldehyde Free + Paraben Free + Non-Halogenated + No Phenols + No Quaternary Ammonium Compounds. We wanted to use a safe, natural effective preservative. We are a leader in providing you natural products.