Sterimar Isotonic is a pure sea water spray that gently moisturises and clears dry, stuffy nasal passages.It will help relieve nasal congestion associated with sinusitis, blocked nose, colds, hayfever, allergies and post-operative nasal care. Approx 300 standard sprays. Its gentle micro diffusion spray is delivered through a shaped nozzle that fits any nose, even a baby. Stermar has no preservatives and is drug-free, which makes it naturally safe for the whole family, including babies and mothers during pregnancy. It can be used as often as required.To moisturise: press briefly (1-2 seconds), allow a short time to take effect. Clear the nose by blowing gently.To irrigate: Tilt head to one side, insert nozzle, press and hold until fluid runs out of nose.