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...
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...
What is hydroxypropyl methyl cellulose?
Hydroxypropyl methyl cellulose (HPMC), also known as hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl et...
As the weather gets warmer, the biggest headache is the imminent activation of mosquitoes. Especially the little babies, it seems that mosquitoes like to turn around the little baby, the white baby...
Every skin lightening product consists of a bunch of chemicals, most of which come from natural sources. While most active ingredients are effective, some of them may have some side effects. Theref...
Ethyl methyl carbonate is an organic compound with the chemical formula C5H8O3, also known as EMC. It is a colorless, transparent, and volatile liquid with low toxicity and volatility. EMC is commo...