I Don't have any symptoms of Migrane, yet i get frequent headache.(say atleast 2 to 3 times in a month). Whenever i wash my head with any type of Shampoo, then the Headache is certain to come.However , it is not the only cause of my headache. I MUST put some cool OIL in my HEAD after taking bath else again the HEADACHE comes. Can you please help me . I Want to GET RID of it.