July is the peak of summer, and during hot and humid summers, food can become a fertile medium for bacteria at any time. Especially fruits and vegetables, if newly purchased fruits and vegetables a...
In life, skin problems are common. Acne is a very common skin problem, but everyone’s acne problem is different. In my years of skin care experience, I summarized some causes and solutions of...
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...
Ethyl methyl carbonate is an organic compound with the chemical formula C5H8O3, also known as EMC. It is a colorless, transparent, and volatile liquid with low toxicity and volatility. EMC is commo...
O-Cymen-5-OL (IPMP) is an antifungal preservative used in cosmetics and beauty products to prevent harmful microorganisms from multiplying, thereby extending the shelf life of products. It is a mem...
N-Phenyl-1-naphthylamine CAS 90-30-2 is a colorless flaky crystal that turns light gray or brown when exposed to air or sunlight. N-Phenyl-1-naphthylamine is a commonly used antioxidant in natural ...