Isostearic acid is widely used in the cosmetic and personal care industry due to its excellent emollient properties. It helps to soften and smooth the skin, making it a common ingredient in lotions, creams, and moisturizers. Its stable structure and resistance to oxidation make it suitable for use in formulations that require long shelf lives. Additionally, it is often used in hair care products to provide conditioning and improve manageability. In industrial applications, isostearic acid serves as a lubricant additive, enhancing the performance of greases and metalworking fluids. Its compatibility with various materials and ability to reduce friction make it valuable in manufacturing processes. Furthermore, it is utilized in the production of esters, which are used as plasticizers and synthetic lubricants in various industries.