I am using NAVRATNA HAIR OIL since childhood.this is a very good product for headache problem, migrain problem, stress and many more type of head disease.by this oil, mind is coolness and freshness.i recommended to all of you that you should purchase a bottle of an NAVRATNA hair oil.you will imagine shortly different thing that headache problem, stress will theft away.alao, navratna companies products are very good, in hair oil is also included.so, friends you should buy shortly this product.