10Z-Nonadecenoic acid finds applications in various fields due to its unique properties. In the cosmetic industry, it is used as an emollient and moisturizing agent in skincare products, helping to maintain skin hydration and improve texture. It is also utilized in the formulation of hair care products to enhance shine and manageability. In the pharmaceutical sector, it serves as an intermediate in the synthesis of bioactive compounds and drug delivery systems. Additionally, it is employed in research as a standard or reference material in lipid analysis and studies related to fatty acid metabolism. Its role in industrial applications includes its use as a lubricant additive and in the production of specialty chemicals.