Ocean sinus rinse provides complete daily nasal care with non-medicated relief for dry, irritated nasal passages due to allergies, cold, flu, sinusitis and rhinitis. Two convenient delivery options in one great product for sinus cleaning and nasal moisturizing. Contents are premixed and no neti pot is required. The preservative free salt blend formula is sterile and safe for frequent daily use. It helps to breathe easier. Doctor recommended brand.