On Apr. 28, 2021, China NMPA released the Working Rules for Management of Cosmetic Supplementary Testing Methods together with a supporting document-Technical Guidance for Studying and Drafting Cosmetics Supplementary Testing Methods.
This Technical Guidance consists of a drafting guadiance and the following three attachments.
Suggestions on the establishment of supplementary testing methods for cosmetics
Technical requirements for the development of supplementary testing methods for cosmetics
Compilation rules for supplementary testing methods for cosmetics