This method stipulates the determination of the content of boric acid and borate in cosmetics by ion chromatography. This method applies to the determination of the content of boric acid and borate in cosmetics in liquid, cream, lotion, powder, and gel cosmetics.
This method consists of 9 parts as listed below:
Reagents and Materials
Instruments and Equipment
Expression of Analysis Results
Annex A: Basic Information Table of Boric Acid Reference Material
Annex B: Confirmation of the Results of Boric Acid