Xanthan Gum is primarily used as thickening agent. A small amount of Xanthan Gum when added to liquids can vastly increase the viscosity, making it useful for a variety of products that require thickening. This hydrocolloid is used mainly in sauce, ice cream, salad dressings and other frozen foods. It can be also used as an alternative for gluten ? free products and replacement of egg for texture.