On November 12, 2021, China National Institutes for Food and Drug Control (NIFDC) opened a public consultation on a draft testing standard for cosmetic—pH. Stakeholders with any comments can send them to the NIFDC via email at firstname.lastname@example.org before November 28, 2021.
The draft testing method pH stipulates the acidimeter method for pH determination in cosmetics. It is applicable to determine the pH of water-in-oil cosmetics.
Main contents of the draft are as follows:
Summary of the method
Test reagents and materials
Instruments and equipment