Methyl stearate solution is widely used as a lubricant and plasticizer in various industrial applications. It is commonly employed in the production of polymers and resins to improve flexibility and processing properties. In the cosmetics industry, it serves as an emollient and thickening agent in creams and lotions, enhancing texture and skin feel. Additionally, it is utilized as a surfactant in cleaning products to improve wetting and spreading capabilities. In the textile industry, it acts as a softening agent for fabrics. Its role as a biodiesel additive is also notable, where it improves fuel properties and reduces emissions.