Hair is very simple in structure, but plays an important role in a woman life. It’s something that stands out in functions, and keratin is the tough protein that hair is made up of. It's folliclesanchor each hair into the skin and the hair bulb forms the base of the hair follicle. Consequently, a shaft is built when the hair bulbs divide and grow. Thus, at different times of our lives our hair growth modifies as the bloods vessels nourish the cells in the hair bulb.
One and a half inch per month is the average rate of hair growth per person, and it also varies from person to person. Now, it should be noted that age and pigments are related as due to agency pigments, cells perish away and hair turns grey.