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...
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...
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 ...
Since the beginning of summer, temperatures in various regions have been continuously increasing. We all know that fruits and vegetables are more prone to spoilage as the temperature increases. Thi...
Disodium octaborate tetrahydrate CAS 12280-03-4, chemical formula B8H8Na2O17, from the appearance, it is a white fine powder, pure and soft. The pH value of disodium octaborate tetrahydrate is betw...
Polyvinylpyrrolidone (PVP) ,cas number 9003-39-8,pvp is a non-ionic polymer that is the most distinctive, best-studied and most widely studied fine chemical among N-vinyl amide polymers. Has deve...