In the past, due to the backward medical knowledge and limited conditions, people had little awareness of tooth protection, and many people did not understand why teeth should be protected. Teeth a...
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...
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...
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...
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...
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...