[Glycerin supply and sales] The application and role of glycerin in medical treatment

it is understood that: glycerin (also known as glycerin) is a colorless, odorless, sweet-tasting organic substance with a clear and viscous liquid appearance. it is miscible with water, alcohols, amines and phenols in any proportion, and the aqueous solution is neutral. glycerin is a polyol moisturizer. the hydroxyl groups in the molecular structure can form…