Sterimar baby 100 natural sea water nasal spray naturally clears and unblocks little noses trusted by millions of mums all over the world it is specially designed with a low pressure very gentle spray for delicate baby noses and is suitable for those aged 03 yearsit works by clearing impurities from the nose and moisturising nasal passages stimulating the natural defences of the nasal lining and allowing the nose to work better as a first line of defense against germs in clinical studies