Polyethyleneimine (PEI for short), with a CAS number of 9002-98-6, is a water-soluble cationic polymer. Its core feature is that its molecular chain is rich in a large number of amino groups (prima...
Affected by the COVID-19 pandemic, 2020 was a challenging year for many companies, especially for chemicals lines.
Of course, for Unilong Industry, also met a difficult situation as so many Europe ...
Many consumers see that some cosmetics contain “polyglyceryl-4 laurate” this chemical substance, do not know the efficacy and effect of this substance, want to know whether the product ...
In life, skin problems are common. Acne is a very common skin problem, but everyone’s acne problem is different. In my years of skin care experience, I summarized some causes and solutions of...
CPHI & PMEC China is the leading pharmaceutical event in Asia, bringing together suppliers and buyers from the entire pharmaceutical supply chain. Global pharmaceutical experts gathered in Shan...
In the past, due to the backward medical knowledge and limited conditions, people had little awareness of tooth protection, and many people did not understand why teeth should be protected. Teeth a...