The modern biological name is shell membrane, which is a fiber membrane wrapped around protein. Its main components are fibrin, keratin and mucopolysaccharide, which account for 65,438+05-65,438+07% of the total weight of eggshells. The above-mentioned "Fengyi" is the name of one of the folk herbs in China, which mainly uses egg membrane, and it is not a folk prescription like western medicine. Regarding the cosmetic function of the shell membrane, it is found that the shell membrane can attach to the avant-garde cells of human skin and increase the amount of collagen, which exists in the baby's skin and plays a role in softening the skin. That is to say, the egg membrane can attach to the skin after cleaning, which can make the skin delicate, smooth and elastic. Tips for eating or using raw or rotten eggs by mistake!