What causes the hair to grey?

Answer 1

As you age the follicles lose their pigmentation. Hair isn't actually grey its white, but it looks grey

Why hair turns gray as we agePremature graying can happen at any age ... generally from the 20's up. I knew a young man in Elementary school who had a tin can thrown at him which cut the scalp and he had a patch of white hair about two inches in diameter. The cut had caused damage to the hair follicles.

Gray hair can be hereditary and some young people may be what they call, 'salt and pepper'. It's genetics and it's no different than a 20 or 30 year old male going almost bald. These hereditary factors generally come from the mother's genes when it comes to hair loss.

Not all people that are getting older get gray hair. I am 65 and don't have one strand of gray hair (my mother didn't either) and my father had what I refer to as 'silver wings' just gray hair on the side of his head.

Once hair is gray it becomes coarse and it's 'dead hair' and there is no product out there that will reverse this short of dying. Gray hair also absorbs dye very quickly so if a person has black hair they are better to get it done professionally.

It is true as the above poster says that there are certain medical treatments and disease where the hair may revert back to color (and it won't be exactly the same color as they had before; perhaps a shade or two lighter.)

As we get older, pigment cells in our hair follicles gradually die. When there are fewer pigment cells in a hair follicle, that strand of hair will no longer contain as much melanin and will become a transparent color like gray, silver or white. When people get older, fewer cells will be around to produce melanin. The age which you go gray (or white) is determined by your genes.
There is something that colors your skin and hair called melanin. when your hair turns gray, it's because your melanin is decreasing in your body. It comes with old age.

Answer 2

Going gray is part of life. As we get older the pigment (color) cells in the roots of our hair -- our hair follicles -- gradually die. As the color cells die, the hair loses its color and it becomes transparent. The age that we start going gray is determined by our genetics. Some people go gray very young.

Answer 3

As people get older the pigment cells in hair follicles dies. When there is less pigment cells in a hair follicle that strand of hair has a more transparent color like gray or white.

Answer 4

because the roots of your hair die and the colour gets lost .asher.

grey hair is brought on through excessive wanking/masturbation.

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Answer 5

Delayed-Action Gene

Answer 6

Because the colour in the hair strands weakens and it finally turns grey.

Answer 7

when you get older it begins to loose its pigment.

Answer 8

Your hair goes gray if you tie it when it's wet. At least, that's what my sister told me.

Answer 9

It loses the pigment as you get older.