Used primarily as an emollient and conditioning agent in cosmetics and personal care products such as lotions, creams, and hair conditioners. It helps improve texture and spreadability while providing a protective layer on the skin or hair. Also serves as a lubricant in industrial applications and as a plasticizer in the production of plastics and resins. Additionally, it is used as a solvent or carrier in fragrances and as a component in the formulation of surfactants and detergents. Methyl stearate finds use in the manufacture of biodiesel as an intermediate and in pharmaceuticals as an excipient for controlled-release tablets.