Lecithin from egg yolk is widely used in the food industry as an emulsifier, helping to blend ingredients that typically separate, such as oil and water. It is commonly found in products like mayonnaise, chocolate, and baked goods to improve texture and stability. In the pharmaceutical sector, it serves as a key component in drug delivery systems, enhancing the absorption of active ingredients. Additionally, it is utilized in cosmetics and skincare products for its moisturizing and skin-conditioning properties. Its natural origin and multifunctional benefits make it a versatile ingredient across various industries.