sterimar nasal hygiene isotonic spray gently moisturises & clears dry stuffy nasal passages. it aids the relief of nasal congestion associated with colds sinusitis blocked nose hayfever allergies & post-operative nasal care. this gentle sea water nasal spray is delivered through a shaped nozzle that fits any nose even one as small as a baby's., 100% natural sea water nasal spray, allergy friendly product, recommended by doctors, very gentle spray, easy to use