Ceramide NP is a lipid molecule included in a group of lipid molecules called ceramides. Ceramides are major lipid components in the stratum corneum of the human skin. Ceramide 3 consists of a phytosphingosine backbone N-acylated with a saturated fatty acid (stearic acid). It is widely used as a moisturizer in various cosmetic and personal products. Together with ceramide 1, they synergistically improve the skin barrier function in humans.

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