Hair is the second by the speed of growth of the tissues behind the bone marrow.
Hair grows 12 cm a year. This means that the hair is growing day by 0.3 mm and 1 centimeter per month.
Hair grows fastest from the 15th to 30th year of life.
Hair grows faster in summer than in winter.
The hair of Africans is harder and slower growing than Europeans, Asian hair grows the fastest and has the greatest elasticity.
We will probably lose 55% of our hair before anyone noticed that you are balding.
It is normal to lose 50-100 fibers from the hair daily.
