How fast does hair grow?
The speed of hair growth is roughly 1.25 centimeters or 0.5 inches per month, being about 15 centimeters or 6 inches per year. With age the speed of hairgrowth might slow
down to as little as 0.25 cm or 0.1 inch a month.
Cell division is responsible for the hair growth cycle. hair growthThe new cells push the hair forward to make it longer, so the new hair is added at the root. You will find about 100.000 hairs on a wholesome scalp of hair. Each of these hairs will, in regular healthy conditions, last for one up to six years. People loose about 100 hairs per day, in regular conditions. The fallen hairs are replaced by new hair. Baldness occurs when new hairs are not being produced anymore.
During it’s life a hair goes via three phases of growth: the anagen, the telogen and the catagen. The anagen may be the first phase with new hair growing in the hair bulb. The catagen may be the following phase when hair stops growing because the cell division stopped. The telogen is the final phase. New hair starts growing within the papilla and finally the old hair falls out.
Hair grows at about the same speed all over your head. There is no perceptible difference between the fringe, nape, crown, …
You may think that fringes (bangs) grow quicker than hair on other parts of your head, but that’s merely an illusion. Numerous cut the fringe just above the eyebrows and simply because of this the slightest hairgrowth will be visible. Wearing a turtleneck will also make your hair look longer and maybe make you think that your hair grows faster. Again an illusion has been created here simply because of the straight line of the turtleneck.
