Hydroxyethyl cellulose is a multifunctional polymer with an array of applications spanning numerous industries. Its unique properties, such as viscosity enhancement, emulsification, and film-forming capabilities, make it an indispensable ingredient in pharmaceuticals, cosmetics, food products, and construction materials. As the demand for sustainable and effective solutions continues to rise, HEC stands out as a versatile and environmentally friendly option in modern formulations. With ongoing research and technological advancements, the applications and potential of hydroxyethyl cellulose will likely expand, further solidifying its role in various sectors.