Spry Moisturizing Mouth Spray has been specially formulated to soothe and moisturize the tissues in the mouth & throat. With a refreshing, natural spearmint flavor and rich in sweet-tasting xylitol. Spry cools and hydrates the mouth while sweetening the breath. What is Xylitol?Xylitol is a natural sweetener derived from the fibrous parts of plants. Similar in taste to regular sugar and with no aftertaste, xylitol has a low glycemic index and is low in calories. Additionally, xylitol has a natural, cooling and moisturizing effect.