Sinus rinse helps alleviate nasal allergies and dryness, sinus symptoms, nasal irritation from occupational dust, fumes, animal dander, grass, pollen, smoke, smog and house dust, post nasal drip and congestion. Sinus rinse is a volume therapeutic saline nasal irrigation and moisturizing system, which is preservative and iodine free. A pH balanced and isotonic solution, which is great to use after sinus surgery and also suitable for use during pregnancy.