Jhandu balm is approved solution for headache and other kind of body pains including cold problems and chest problems. also the application of Jhandu balm is very simple, you can put it on the swelling part of your body and you can rub a little and after little time your pain will be reduced. the best method for using it in cold is, to put it into the boiling water and inhaling directly into your nose. this will help relaxing your nose and headache due to severe cold. however for Children, care should be taken after, due consideration, as children are very sensitive to the chemicals.