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...
We need to brush our teeth every day, then we need to use toothpaste, toothpaste is a daily necessities that must be used every day, so choose a suitable toothpaste is crucial. There are many kinds...
With the progress of the times, people are paying more and more attention to environmental protection, and industrial green development has become a new leading trend. Therefore, biodegradable mate...
Summer has arrived, and the most confusing thing for everyone is the preservation of food. How to ensure the freshness of food has become a hot topic nowadays. So how should we store fresh fruits a...
With the development of modern science and technology and the improvement of people’s living standards, it seems that the requirements for cosmetic raw materials are getting higher and higher...
Now people have a lot of choices in skin care, just sunscreen ingredients are more than 10 kinds, but some skin care products seem to skin care is actually more will hurt our skin. So how do we cho...