pollen dust viruses & bacteria can all collect in the nose. nasosal spray helps rinse them out & restore moisture making baby's nose feel more comfortable. a blocked up nose can be distressing when your baby is small. it can stop your little one from sleeping & eating making them tired & irritable. nasosal can help. it's safe effective & suitable for babies infants & children too., safe & effective, natural saline, for clearing little blocked noses caused by colds allergies & hay fever, for babies infants & children.