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...
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...
Trimellitic Anhydride (CAS: 552-30-7) is an organic compound with the formula C9H4O5C9H4O5. It is a white crystalline solid known for its high reactivity and versatility, making it a key interme...
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...
Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility.
The “K25″ in P...
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...
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