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Asked by terimater to Aime, Akshat, Diana, Gemma, Judith on 15 Jun 2011.
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Judith McCann answered on 15 Jun 2011:
Good question, the hair grows from the roots on you head outwards- the hair is embeded in your scalp by follicles which contain pigment cells-these produce melanin which give your hair its colour ( and also the colour of your skin).
As you get older the pigment cells begin to die off so the growing hair no longer has a colour and that strand will become grey… actually transparent but appears grey!
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Gemma Sharp answered on 15 Jun 2011:
Hair goes grey as we get older, and can sometimes go grey if we’re really stressed or have a big shock or something, but that’s less common.
The follicle in the skin that hair grows from contains pigment cells which produce ‘melanin’ which is a pigment that colours hair. But as we age, the number of pigment cells in the follicles decreases as they gradually die. Because there are fewer pigment cells, each hair has less pigment, so the colour doesn’t show up as well and the hair is more transparent or grey. Eventually people go completely grey.
I think grey hair looks kind of cool. More distinguised!… but if we don’t like it we can always dye it 😉
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Comments
minimad commented on :
I have the occasional whuite hair o.o although im still young >.<'
minimad commented on :
white*
Gemma commented on :
I found my first white hair just after I’d finished my final exams for my degree (22) and just assumed I was going grey, but I didn’t get another one for years after so I think it was because I was stressed and not eating well.
If you’re not particularly stressed and you eat a healthy diet, then it’s probably a genetic thing. Maybe your parents had the odd white hair when they were young?
I don’t think it’s anything to worry about anyway…as I say, I think they look kind of cool!
Judith commented on :
sometimes having children starts the greying off in women-don’t know if thats becasue of stress or pregnancy though!