L-α-phosphatidic acid (Soy) (sodium salt) is widely used in the food industry as an emulsifier, helping to stabilize mixtures of oil and water in products like dressings, sauces, and baked goods. It enhances texture and consistency, ensuring a smooth and uniform product. In the cosmetics industry, it is utilized in skincare formulations for its moisturizing properties and ability to improve skin barrier function. Additionally, it serves as a key ingredient in liposomal drug delivery systems, where it aids in encapsulating active pharmaceutical ingredients for targeted and efficient delivery. Its role in cellular signaling pathways also makes it valuable in biomedical research for studying cell growth and metabolism.