Product name Ceramides CAS NO. 100403-19-8 Other names CAPROYL SPHINGOSINE Molecular weight 397.63488 Molecular formula C24H47NO3 Purity 99% Appearance Powder Storage Cold dry place Package 25kg/drum Ceramide is a class of phospholipids with ceramide as the skeleton, mainly choline ceramide phosphate and ethanolamin ceramide phosphate, phospholipids are the main components of cell membranes, 40%~50% of sebum in the stratum corneum is composed of ceramide, neurochemicalbook amide is the main part of the intercellular matrix. It plays an important role in maintaining the balance of water in the stratum corneum. Ceramide has a strong ability to associate water molecules, which maintain skin moisture by forming a network structure in the stratum corneum. Therefore, ceramides have the effect of retaining moisture in the skin.