Sterimar isotonic nasal spray is a pure sea water spray that gently moisturises and clears blocked, dry and stuffy nasal passages. It helps to relieve nasal congestion that is affiliated with sinusitis, blocked nose, hayfever, allergies, colds and post-operative nasal care. Approx 300 standard sprays. Its gentle micro diffusion spray is delivered through a nozzle that fits nearly any nose, including a babys. Sterimar has no preservatives and is drug-free, ideal for all the family.