Brain death is used as an indicator of legal death in many jurisdictions, but it is defined inconsistently. Various parts of the brain may keep living when others die, and the term brain death has been used to refer to various combinations.
3. Massage your scalp. Massaging promotes blood flow to the scalp, which in turn stimulates the hair follicles. In addition, deep condition your hair once a week with a hot oil treatment or deep conditioning hair mask. 1  Apply the oil (preferably warm) or conditioner to your hair.2  Gently rub your fingers on your scalp in a circular motion for three to five minutes. Apply it on your hair and scalp and leave it on for half an hour. 2  Finally, rinse it out and shampoo your hair as usual. 3  Apply a mixture of two egg yolks and two tablespoons of extra-virgin olive oil on your scalp. 4  Leave it on for 15 to 20 minutes.
How hair grows. Hair grows out of little pockets in your skin, called follicles. Here's how it happens: 1  Your hair begins growing from a root in the bottom of the follicle. The root is made up of cells of protein.  Blood from the blood vessels in your scalp feeds the root, which creates more cells and makes the hair grow.