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...
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...
Everyone has a love for beauty. Everyone likes to dress up beautifully, regardless of age, region, or gender Therefore, modern people attach great importance to skincare. Compared to men, women ten...
The Spring Festival of 2023 is coming. Thank you very much for your support and trust in Unilong in the past year. We will also strive to become better in the future. I hope to continue to reach a ...
In the chemical industry, there are two products with very similar names, namely glyoxylic acid and glycolic acid. People often can’t tell them apart. Today, let’s take a look at these ...
What is hydroxypropyl methyl cellulose?
Hydroxypropyl methyl cellulose (HPMC), also known as hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl et...