Maltodextrin is a white powdery substance derived from different products such as potato starch, rice, corn, and even wheat.  Maltodextrin is a very common additive in the food industry as this ingredient is considered safe to eat by the FDA.  Maltodextrin is used as a thickening agent in many cases such as the lubricant industry.  This is a harmless ingredient added to many popular lubricants and sexual stimulants.