As global health awareness continues to rise, consumers’ demands for mosquito repellent products have evolved beyond simply “keeping bugs away.” Today, they seek multi-dimensional...
With the arrival of summer, more and more people are paying attention to their skin, especially female friends. Due to excessive sweating and strong oil secretion in summer, combined with strong ul...
October 1st is an important day in China, National Day, and the whole country celebrates this day every year. According to China’s statutory rest regulations, we will be on holiday from Octob...
Every skin lightening product consists of a bunch of chemicals, most of which come from natural sources. While most active ingredients are effective, some of them may have some side effects. Theref...
What is hydroxypropyl methyl cellulose?
Hydroxypropyl methyl cellulose (HPMC), also known as hydroxypropyl methylcellulose, cellulose hydroxypropyl methyl ether, cellulose, 2-hydroxypropylmethyl et...
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...