October 1st, quietly came, the birthday of the motherland is about to start! Bless the great motherland, happy birthday and happy holidays!
1949-2022 Warmly celebrate the 73rd anniversary of the fo...
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...
Silica dimethyl silylate is a kind of ancient seaweed calcified body, is a kind of natural mineral material. It is safe and non-toxic, and has a strong adsorption capacity of its own, which can ...
Cellulose Acetate Butyrate, abbreviated as CAB, has the chemical formula (C6H10O5) n and a molecular weight of millions. It is a solid powder like substance that is soluble in some organic solvents...
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...
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...