Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
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...
Mothers with children at home will focus on their children’s health and safety. Because the baby’s world has just opened, he is full of curiosity about the world, so he is interested in...
Sun protection is a must-have for modern women throughout the year. Sun protection can not only reduce the damage of ultraviolet rays on the skin, but also avoid skin aging and related skin disease...
What is polycaprolactone?
Polycaprolactone, abbreviated as PCL, is a semi crystalline polymer and a completely degradable material. Polycaprolactone can be classified into pharmaceutical grade and ...
What is O-Cymen-5-OL?
O-Cymen-5-OL is also known as o-傘花烴-5-醇, 4-ISOPROPYL-3-METHYLPHENOL, and IPMP. The O-Cymen-5-OL CAS number is 3228-02-2, which is a white needle shaped crystal that is ins...