Sinna combines homeopathic remedies that work synergistically to fight the tumefaction of inflamed and infected mucous membranes. It targets the different aspects of sinusitis as well as its main contributing factors. Each mL contains: Medicinal ingredients: Hydrastis canadensis (root) 6X 20%, Kalium bichromicum (mineral) 6X 20%, Lemna minor (herb) 4X 20%, Luffa operculata (fruit) 6X 20%, Hydrargyrum sulfuratum rubrum (mineral) 8X 20% Non-medicinal ingredients: Isotonic solution of 0.9% sodium chloride in water buffered with monobasic and dibasic sodium phosphate. No preservatives necessary as there is no backflow of solution into the reservoir. Adults and children 12 years and over: Spray once or twice into each nostril 3-5 times daily, or as directed by a healthcare practitioner.Children 1 - 11 years of age: Spray once into each nostril 4 times daily, or as directed by a healthcare practitioner.