In life, skin problems are common. Acne is a very common skin problem, but everyone’s acne problem is different. In my years of skin care experience, I summarized some causes and solutions of...
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...
Butylnaphtalenesulfonic acid sodium salt, also known as sodium butylnaphthalene sulfonate, CAS number 25638-17-9. From the appearance, it is a white powder substance, easily soluble in water, belon...
Bis(2,6-diisopropylphenyl) carbodiimide CAS 2162-74-5 is monomeric carbodiimide , a representative variety of anti-hydrolysis agent which has the characteristics of high purity, light color, no odo...
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...
Glyoxylic acid CAS 298-12-4, has a molecular formula of C₂H₂O₃ and a molecular weight of 74.04. Its aqueous solution is a colorless transparent liquid, slightly soluble in ethanol, ether and benzen...