Product Name: Ceramides INCI NAME: CERAMIDE 1; CERAMIDE 1 A; CERAMIDE 2; CERAMIDE 3; CERAMIDE 4; CERAMIDE 5; CERAMIDE 6 Source: rice; yeast Molecular Formula: C24H47NO3 Molecular Weight: 397.63488 Appearance: White fine powder Purity: 10%;30%;98% CAS Number: 100403-19-8 EINECS number: 309-560-3 Supplier: ZHENYIBIO Ceramide is a new generation humectant developed in recent years.Ceramide powder is a fat-soluble substance that constitutes the physical structure of the stratum corneum of the skin, similar to the water that rapidly penetrates into the skin and stratum corneum, forming a network structure that seals moisture.As we grow older and enter old age,the amount of ceramide in human skin will gradually decrease.Dry and rough skin, skin type and other abnormal symptoms are due to the decrease in ceramide.Therefore,to prevent such skin abnormalities, adding ceramide is an ideal method. Best ceramide serum plays a very important role in maintaining skin barrier function. The use of yeast ceramide can significantly enhance the adhesion between keratinocytes, improve skin dryness, and reduce skin desquamation.Rice ceramide maintains skin moisture.ceramide 3 for skin anti-aging function.