When a reduced amount of pigment cells and increases the amount of air bubbles - sedeet hair. Pigments themselves rather resistant to the influence of external factors, but may partially collapse under the influence of solar radiation or chemicals.
Early graying most often caused by genetic factors. That is, if at least one of your parents has turned gray early - you have all chances to repeat his fate.
However, the causes of premature graying may be in other diseases: thyroid dysfunction, lack of vitamins, anemia, vitiligo. During strong fear, stress, turmoil in the blood enters a large amount of adrenalin vasoconstrictor effect. The result is a spasm of the arteries of the papilla and disturbed nutrition bulbs. Prolonged and severe stress can lead to full bloom in a short period of time.
Early graying is not to say that you will have other signs of aging - wrinkles, loss of teeth, etc. Usually women are simply trying to paint appeared gray hair, or hold highlighting. Men still wear gray hair with pride, as a sign of wisdom and adult approach to life.
It is not necessary to pull out the first gray hairs - a result of their will be more. The reason is that the root of the hair at the base allocates serum, it leaks to the skin area around and infect neighboring hair. The next time they too can grow gray. If you do not like gray hair - cut it at the base of a pair of scissors.
Delay the onset of premature gray hair can be. To do this, lead a healthy lifestyle, do not smoke, try to eat healthy and balanced. Do not forget from time to time to take vitamin and mineral supplements.