Dry the device after each use</br>Do not wash the device under running water like the use of an electric tooth brush</br>Preservative?? drug?? iodine?? BPA?? gluten and latex free</br>Premixed packets of USP grade sodium chloride and sodium bicarbonate</br>Excellent cleansing prior to spraying nasal corticosteroids</br></br>Product Description</br></br>Sinugator cordless pulsating nasal wash used for post nasal drip?? nasal dryness from occupational and house dust?? fumes?? animal dander?? grass?? pollen and smoke. Soothing?? no burning or stinging?? large volume and low pressure system for saline nasal irrigation?? moisturization and daily nasal hygiene.</br><br/>http://www.amazon.com/gp/product/B005UO6NRA