WHY HAIR BECOME WHITE & WHY HAIR TURN GRAY?
Hair color is the pigmentation of hair
follicles due to the amount of melanin
present.
In most cases white & gray hair is a result of
natural aging.
Each hair follicle contains a number of
pigment cells. These pigments effect the
production of a chemical called melanin
that gives the growing shaft of hair its
colors. Melanin is found in our skin's
color which effects its color, dark or
light color red or blonde, etc. If more
melanin is present in the hair, the
color of the hair is darker; if less
melanin is present, the hair color is
lighter and lean toward white color.
As we age, the pigment cells in our hair
follicles gradually is produced in less
quantities, the pigment
(Melanin) in the hair shaft decline. The production of melanin is
reduced at the
root, which in turn effect hair color
pigment loss and turn hair shaft color
to have less color to look gray. When
the follicles where the hair grows stops
producing pigment white hair appear. In
other words white hair has no pigment, and
gray hair has some color left of the
person's original hair pigment color.
The graying process usually is gradual.
Grey hair & white hair color
typically occurs naturally as people
age. For some people this can happen at
a very young age.
Gray hair growth
may start at any age. Most notice gray hair growing onto
their natural color in their 40's. Fifty percent
of Caucasians male and female , will be at least 50 percent gray
by age 50.
Hair turning gray or white is
effected by the natural genetic properties of ones family genes.
If ones parents hair grayed at an early age so will be expected
with the children's hair. The hair that is already on the
head will not lose pigment color but the new hair will have a
decrease in melanin
production at the root. So as the new strands show up, the
hair will be with less pigments or with non as gray hair.
The idea that hair goes white with
fright or hair that becomes gray over
night due to stress has some merit.
Physical or emotional trauma can cause
body stress that effects the production
of the hair melanin and moves hair
actively growing hair into a resting
phase.
When pigments are no longer produced by
the body, hairs lose their color and
turn white. This normally occurs with
old age but premature graying can happen
to men in their 20s, especially if their
parents suffered the same fate. In
general, the condition starts by age 40.
One explanation for this 'white
overnight phenomenon,' is that the hair
suddenly fall victim to an autoimmune
condition called alopecia areata, which may
cause hair to appear gray overnight.
In actuality, the condition causes the
thicker, darker hairs to stop growing
before it affects the growth of gray
hairs, giving the impression of graying
overnight.
In addition, Vitiligo another autoimmune
condition in which the cells that make
pigment (melanocytes) are destroyed,
resulting in patches of hair and skin
that become white. In some cases, grey hair may
instead be caused by thyroid
deficiencies or a deficiency of B12
and anemia.
Today, white hair and gray hair hue have become a stylish hair
color option. Today many men and women choose white or gray look. Styled
gray hair has a dramatic and elegant look.
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A sudden gray hair patch or white streak is called
Poliosis. The name comes from the Greek word ''pilios'' for
gray.
It is not a disease
or illness. In most cases white or
gray patch occurs in the forehead area
but it could can involve eyebrows,
eyelashes or other body hair.
It can happen
anytime or at any age. The cause is a
loss of pigment in the hair and skin
area. A single or multiple patches can
occur with a sudden body stress or with
medical conditions such as piebaldism, a
genetic disease and other or with
Vitiligo a skin condition.
Children can have hair turn gray. Gray hair in a child is
uncommon and should be diagnosed by a doctor. A medical
condition may be the cause, such as thyroid disorders, vitamin
B-12 deficiency and other conditions.
Gray hair is typically more resistant to
color and other chemical products. The
hair cuticle doesn’t absorb moisture as
readily as regular pigmented hair. The
perm chemicals may take longer to
penetrate the hair shaft for the perm
process to take hold. Allow extra time
for a test to see how long the perm
process time will result with the best
perm.
Every day, normal hair loss is about 50 to 100 hairs.
Large quantities of
hair falling out may reflect an underlying
chronic illness, such as autoimmune disorder, cancer which post
severe stress on the body. Therefore, signs of stress show
up as hair falls out in abnormal rate.
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Always consult your family doctor
for medical advice about your health
and your individual hair loss
condition.
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