Used in cell culture applications to support the growth and differentiation of certain cell types, particularly in studies involving skin biology and barrier function. Plays a role in dermatological research due to its presence in natural skin lipids, helping to maintain skin hydration and integrity. Incorporated into topical formulations for cosmetic and therapeutic skin products aimed at treating dry, damaged, or aging skin. Serves as a biochemical reagent in lipid signaling studies, especially in apoptosis and cell proliferation pathways. Commonly used as a standard in mass spectrometry and chromatography for lipid profiling.