The ingredients for Pringles Sour Cream & Onion include dehydrated potatoes, vegetable oils, wheat flour, corn flour, and rice flour. The sour cream and onion seasoning contains onion powder, wheat starch, maltodextrin, flavor enhancers, dextrose, sunflower oil, salt, flavorings, sugar, sour cream powder, modified maize starch, sweet whey powder, glucose syrup powder, acids, and milk proteins. Other ingredients include an emulsifier, maltodextrin, salt, and a color.