The draft is used to screen hormone ingredients in products types such as cream, lotion, mask, gel, liquid, oil, etc. and determine the quality and quantity. In cosmetics, two types of hormone: glucocorticosteroid and sex hormone are frequently used. The method adopted High Performance Liquid Chromatography- Mass Spectrography (HPLC-MS) which can test both kinds of hormone. Besides, the draft also provides other testing methods for other possible hormones.
This method consists of 6 parts, as shown below:
Reagents and Materials
Apparatuses and and Equipments
Expression of Analysis Results