[Glycerin supply and sales] What is glycerin? What are the advantages?

　glycerin refers to a special medicine made by dissolving drugs in glycerin solution for external use. it is viscous, antiseptic and hygroscopic, and is often used in the mouth, nasal cavity, ear cavity and throat. according to the supply of glycerol: glycerol (also known as glycerin) is an organic substance that is colorless, odorless, sweet,…