SKU: 122-278 Ceramide NP is a great active ingredient to add to skincare products. It helps to enhance the skin barrier function and boost skin's moisture. Ceramide NP is a ceramide, a fatty acid that's a major component of the skin's outer layers. The "N" in ceramide NP stands for the normal fatty acid, and the "P" stands for the phytosphingosine base. Usage Rate: 0.3 - 5%