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...
Zinc pyrithione (also known as zinc pyrithione or ZPT) is known as a “coordination complex” of zinc and pyrithione. It is used as an ingredient in skin care and hair products due to its...
Propylene glycol ether and ethylene glycol ether are both diol ether solvents. Propylene glycol methyl ether has a slight ether smell, but no strong irritating odor, which makes its use more extens...
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...
Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility.
The “K25″ in P...