Natrosol or Hydroxyethyl cellulose is a gelling and thickening agent derived from cellulose. Hydroxyethyl cellulose (HEC) is a commonly used thickener in paint & coating formulations. is a versatile, water-soluble polymer used as a thickener, binder, and stabilizer in a wide range of industries, (for products like SHAMPOO S,LIQUID SOAPand makeup), pharmaceuticals (for drug formulations), paints and coatings, adhesives, and oil and gas extraction (for drilling fluids)to provide desired thickness