Brings immediate relief for natural cleansing. An absolute must for allergy season and winter in cold climates. An important body hygiene product. Spray into each nostril while inhaling to draw MSM deep into nasal cavities. It will immediately begin to dissolve mucus and shrink inflammation. Triple UV Treated Deionized Water, Sea Salt, MSM, Organic Usnea, Vitamin C, Grapefruit Extract, Vegetable Glycerin.