Sodium 1-carboxylatoethyl stearate is primarily used as a surfactant and emulsifier in various industrial and consumer products. In the personal care industry, it is incorporated into skincare and haircare formulations to enhance the texture and stability of creams, lotions, and conditioners. Its ability to reduce surface tension allows for better spreadability and absorption of products on the skin or hair.

In the cleaning industry, it acts as a key ingredient in detergents and cleaning agents, where it helps to break down grease and dirt, making it easier to remove stains from surfaces. Additionally, it is used in the textile industry as a softening agent and lubricant during the manufacturing process, improving the quality and feel of fabrics. Its versatility and effectiveness make it a valuable component in a wide range of applications.