Calpol Saline Spray 15ml Calpol Saline Spray helps wash away the mucus that can cause your little one's blocked nose, helping them breathe more easily. Calpol Saline Spray is suitable from birth. Directions Infants & babies up to 2 years: Lay your child down & turn their head to one side. Insert nozzle into nostril & press the spray head once. Repeat the application in the other nostril. Children over 2 years & adults: Insert the nozzle into the nostril. Keep the bottle vertical. Spray deep into the nostril by pressing the spray head once. It is recommended to breathe in through this nostril while holding the other closed. Repeat the application in the other nostril.