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...
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...
Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility.
The “K25″ in P...
In fields such as food preservation, cosmetic preservation, and safety of pharmaceutical preparations, a substance named ethyl lauroyl arginate hydrochloride (CAS number: 60372-77-2, abbreviated as...
Sodium Isethionate, with CAS 1562-00-1, is a water-soluble organic compound that has been widely applied in various industrial fields due to its excellent surface activity, mildness and stability. ...
Whether you have three or nine steps, anyone can do one thing to improve the skin, that is to apply the product in the right order. No matter what your skin problem is, you need to start from the b...