Xanthan gum has so far managed to avoid price increases experienced by other hydrocolloids. A thickening agent derived from corn sugar, xanthan gum is used as a food additive. It is produced by fermentation of glucose or sucrose by the Xathomonas campestris bacterium. It is a polysaccharide used as a food addictive and theology modifier. The average cost of xanthan gum per pound is $2.5, Cosmetic manufacturers only add a little of xanthan gum to their cream-based products in order to keep the individual ingredients from separating.