I2 Nasal Spray is an antiseptic that has been created to clear the nasal blockages. I2 Nasal Spray contains the most potent, broad-spectrum antimicrobial agent Molecular Iodine (I2) which makes it ideal for an efficient intranasal antisepsis. Molecular iodine (I2) is a non-irritant, non-allergic and odorless antiseptic agent which is safe on sinonasal mucosa thereby making it effective for the treatment of chronic sinus disease. I2 Nasal Spray can be used as sinus irrigation therapy for disinfection of the sinonasal cavity. Molecular iodine (I2) based I2 Nasal Spray is safe for preventive care for a host of nasal infections and diseases. How to use Block one nostril and lightly spray spray into nostril. Inhale for deep delivery. Repeat the process for the other nostril. Use twice a day or as directed by the physician.