C18 ((±)-2''-hydroxy) Ceramide (d18:1/18:0) (18:0 (2R/S-OH)-Ceramide) is a bioactive sphingolipid found in the stratum corneum layer of mammalian epidermis. 18:0 (2R/S-OH)-Ceramide plays an important role in maintaining normal hydration levels for physiological function of the epidermis. [Matreya, LLC. Catalog No. 2044]
