Hydroxyethyl cellulose (HEC) is a water-soluble polymer that is derived from cellulose, a natural component of plant cell walls. Due to its unique properties, HEC is widely used in various industries, including cosmetics, pharmaceuticals, food, and construction. Its ability to form gels, retain moisture, and act as a thickening agent makes it a valuable ingredient in many formulations. If you're looking to purchase hydroxyethyl cellulose, there are several options worth considering.