The physical and chemical group has a total of 4 high-end chromatographic analyzers, including 2 liquid chromatography, 1 gas chromatography and 1 gas chromatography-mass spectrometer, which can analyze the content of cosmetics and their raw materials. The content of prohibited and restricted raw materials can be detected qualitatively and quantitatively, including preservatives such as phenoxyethanol, prohibited raw materials such as hydroquinone, and off-balance sheet claims of no added preservatives such as Caprylohydroxamic acid.

In addition, physical and chemical testing projects include pH, refractive index, viscosity, relative density, etc., these projects are also of great concern to cosmetic engineers.