Toxicokinetics Test

On January 12, 2026, the China National Medical Products Administration (NMPA) announced the incorporation of four test methods into the Safety and Technical Standards for Cosmetics 2015 (STSC). This method specifies the basic principles, requirements, procedures, and evaluation for toxicokinetics tests. It is applicable for determining the toxicokinetic parameters of cosmetic chemical ingredients with well-defined structures.