What is hydroxypropyl methyl cellulose?
Hydroxypropyl methyl cellulose (HPMC), also known as hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl et...
The annual “May Day” has quietly come.
In every corner of the motherland workers with both hands to interpret the responsibility, with the shoulder to support the responsibility, with c...
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...
Nonivamide, with CAS 2444-46-4, has the English name Capsaicin and the chemical name N-(4-hydroxy-3-methoxybenzyl) nonylamide. The molecular formula of capsaicin is C₁₇H₂₇NO₃, and its molecular wei...
Polyvinylpyrrolidone (PVP) chemical structure contains a pyrrolidone ring, which imparts excellent water solubility, film-forming ability, adhesion, and biocompatibility.
The “K25″ in P...
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...