1-Stearoyl-sn-glycero-3-phosphocholine is primarily used in the formulation of liposomes and other lipid-based drug delivery systems. Its amphiphilic nature allows it to form stable bilayers, making it ideal for encapsulating drugs and enhancing their bioavailability. This compound is also employed in research to study cell membrane properties and lipid interactions due to its structural similarity to natural phospholipids. Additionally, it finds applications in cosmetics and skincare products, where it acts as an emulsifier and helps improve the texture and stability of formulations. In the food industry, it is used as an emulsifying agent to maintain consistency and quality in various products. Its biocompatibility and functional properties make it a versatile component in both industrial and scientific applications.