Sodium docosanoate is primarily used as a surfactant and emulsifier in various industrial and consumer products. It is commonly found in personal care items such as soaps, shampoos, and lotions, where it helps to stabilize mixtures of oil and water, ensuring a smooth and consistent texture. In the manufacturing sector, it is utilized in the production of lubricants and coatings, where it aids in reducing friction and improving the spreadability of products. Additionally, it plays a role in the formulation of detergents and cleaning agents, enhancing their ability to break down grease and dirt. Its applications also extend to the food industry, where it is used as an emulsifying agent in certain processed foods to maintain product consistency and quality.