An estimated 50 million Americans suffer from allergies. Many are allergic to different types of pollen, mold, pet dander and other contaminants that cause discomfort seasonally and throughout the year. Dr. Neuzil's Irrigator Herbal Enhanced Nasal Cleansing Spray is a saline-based sinus cleanser that rinses out allergens, irritants and germs that cause irritation and discomfort.