2026 Preservative Efficacy Proficiency Testing

Certificate for completing an online safety assessment course in cosmetics in the European Union, issued by Vrije Universiteit Brussel, dated 23 May 2022, with signatures and an official seal.

EU Safety Assessor

Certificate of completion for cosmetic safety assessment training, issued by Kaohsiung Medical University, Taiwan, dated April 30, 2021, with signatures and stamps.

Taiwan Safety Assessor

Training certificate from the Taiwan Accreditation Foundation, dated June 3, 2024, awarded to Hsieh for successful completion of testing laboratory training.

Head of Testing Laboratory Training

Official certificate with decorative border, written in Chinese, issued by Taiwan Biosafety Association, with a red seal stamp.

Biosafety Manager Qualification