With the progress of society and the improvement of people’s living standards, people pay more and more attention to the maintenance of their skin and their own image. The choice of cosmetics...
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...
Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility.
The “K25″ in P...
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 ...
Hyaluronic acid is a large molecular polysaccharide extracted from bovine vitreous humor by Columbia University ophthalmology professors Meyer and Palmer in 1934. Its aqueous solution is transparen...
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...