NeilMed Sinus Rinse has custom-designed cap that comfortably fits any nasal opening. It is excellent for cleansing prior to use of nasal spray medications. It is suitable for use after sinus surgery or during pregnancy; consult your physician with concerns and can be used as a pH balanced and isotonic solution with one packet, or a hypertonic solution with two packets. This product is drug-free and preservative-free. The easy squeeze bottle system allows you to deliver saline solution with positive pressure to clean the nasal passages thoroughly, while maintaining your head in an upright position. You have complete control of the pressure and volume of solution, ensuring a gentle, soothing and therapeutic experience. Daily rinsing is safe and will keep your nasal passages clean, healthy and open.