Anatomy of Hair
What is a Hair?
Just for hair
Hair loss
Biological, Physical and Chemical
Facts About Hair
All About Hair
Why Just for hair

What is a Hair?
is a protein filament that grows
from follicles found in the dermis, or skin.
is one of the defining characteristics
of mammals.
an important biomaterial primarily composed
of protein, notably keratin.
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Anatomy of Hair

Anatomy of Hair
Hair is composed of three principal parts:
Cuticle – outer coating composed of overlapping scales
Cortex – protein-rich structure around
the medulla that contains pigment
Medulla- central core
(may be absent)
The structure of hair has been compared to that of a pencil with
the medulla being the lead, the cortex being the wood and the
cuticle being the paint on the outside.

Anatomy of Hair
Cuticle
Characteristics of the cuticle may be important in distinguishing
between hairs of different species but are often not useful in
distinguishing between different people.
The cuticle varies in:
• Its scales,
How many there are per centimeter,
How much they overlap,
Their overall shape, and
How much they protrude from the surface
• Its thickness, and
• Whether or not it contains pigment.

Anatomy of Hair
Cortex
The cortex varies in:
• Thickness
• Texture
• Color
• Distribution of the cortex is
perhaps the most important
component in determining from which
individual a human hair may have
come.
• Microscopic examination can also
reveal the condition and shape of the
root and tip.

Anatomy of Hair
Medulla
The medulla may vary in:
• Thickness
• Continuity - one continuous
structure
or broken into pieces
• Opacity - how much light is able
to
pass through it
• It may also be absent in some
species.
Like the cuticle, the medulla can be
important for distinguishing
between hairs of different species,
but often does not lend much
important information to the
differentiation between hairs from
different people.
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• Hair is composed of the protein keratin, which is also the
primary component of finger and toe nails.
• Humans develop hair follicles during fetal development, and
no new follicles are produced after birth.
• Hair color is mostly the result of pigments, which are
chemical compounds that reflect certain wavelengths of
visible light.
Facts About Hair

Hair shape (round or oval) and
texture (curly or straight) is influenced
heavily by genes. The physical appearance
of hair can be affected by nutritional status
and intentional alteration (heat curling,
perms, straightening, etc.)
Facts About Hair

The body area (head, arm, leg,
back, etc.) from which a hair originated
can be determined by the sample’s
length, shape, size, color, and other
physical characteristics.
Facts About Hair

In order to test hair evidence for
nuclear DNA, the root must be
present. The hair may also be tested
using mitochondrial DNA whether or
not the root is present.
Facts About Hair

The Cuticle of
Human Hair is
rough --- which is
why we use
Conditioner
Facts About Hair

Animals have characteristic cuticle scales that scientists
can use to determine the source of hair evidence.
Human, Cat, Dog, and Mouse respectively (photo
below)
Facts About Hair
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Hair loss
Hair loss define as
Natural shedding of hair
accounts for normal
daily hair loss. Recent
measurements indicate
that the average rate of
hair loss is closer to 35
to 40 hairs per day

Hair Loss
Natural shedding of
hair accounts for
normal daily hair loss.
Recent measurements
indicate that the
average rate of hair
loss is closer to 35 to
40 hairs per day

Alopecia
Abnormal hair loss
Most common types
Androgenic alopecia
Alopecia areata
Postpartum alopecia
Over 63 million people
in our country suffer
from abnormal hair
loss

Emotional impact
How perceived by others
Recent study showed that compared to men who had hair, bald
men were PERCEIVED as having a number of characteristics
Less physically attractive – by both sexes
Less assertive
Less successful
Less personably likable
Older
By about 5 years

Emotional impact
Men with severe hair loss
Negative social and emotional effects
More preoccupation with baldness
Make effort to conceal or compensate
for hair loss
Women with hair loss
Devastating- women try to hide it from
everyone including their doctor
Causes anxiety – women feel helpless and
less attractive

Androgenetic Alopecia
CAUSE:
a combination of heredity,
hormones and age causes
progressive shrinking or
miniaturization of terminal hair,
converting it to vellus hair
Known as male pattern baldness
in men
Affects 40 million men in U.S.
Affects 20 million women in U.S.

Androgenetic Alopecia
Can begin as early as teens
Frequently seen by age 40
By age 35, almost 40 % of men & women show some
degree of loss
Gene can be inherited from either side of family

Alopecia Areata
Sudden loss of hair in round or irregular
patches; may occur on scalp or anywhere else
on body. It’s highly unpredictable; affects
almost 5 million people in the U.S.
Immune system attacks hair follicles
Begins with one or more small, bald patches
Can progress to the total scalp hair loss (alopecia
totalis) or complete body hair loss (alopecia
universalis)

Alopecia Areata
Occurs in males and females of all ages and races
Can begin in childhood
Scalp shows no sign of inflammation
No obvious signs of skin disorder or disease

Postpartum Alopecia
Temporary hair loss at
conclusion of
pregnancy
Growth cycle generally
returns to normal
within one year after
the baby is delivered
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Proteins and amino acids:
Every hair strand is made of millions of proteins wrapped
together named keratin which cause hair's stability.
The amino acids methionine and cysteine are responsible for
stability and resistance of hair strands (4).
In some conditions like aging, oxidative coloring or
bleaching process hair surface hydrophobicity and tensile
strength decreases.
arginine prevents the undesirable attack by hydrogen
peroxide on hair proteins and hair surface lipids.
Notably, under in vitro conditions, Met oxidation can be
prevented by L methionine (5, 6).

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Vitamins and minerals:
Certain conditions, such as dry hair, may indicate a vitamin deficiency or a lack of protein
in the diet.
A combination of essential nutrients can stimulate follicular embryotic activity and
prevent hair nutrient depletion.
Reduced levels of niacin and pantothenic acid can contribute to the undernourishment of
hair-follicle cells.
Biotin is required for a number of enzymatic reactions within the body, and is necessary
for the proper metabolism of protein, fat, and carbohydrates.13 Over time, poor
metabolism of nutrients can contribute to undernourished hair follicle cells.
Although rare, a biotin deficiency results in skin rashes and hair loss. Zinc is essential for
DNA and RNA production, which, in turn, leads to normal follicle-cell division.
Zinc is also responsible for helping to stabilize cell-membrane structures and assists in
the breakdown and removal of superoxide radicals (7).
It is important to note, that the androgenic alopecia patients with elevated levels of
androstenedione and dihydrotestosterone presented decreased Zinc contents in the
occipital area of scalp (8).

Just for hair women formula
Wheat germ oil:
Wheat germ is the reachest plant source of natural
vitamin E.
vitamin E helps in cell membrane integrity and protects
hair health due to its antioxidant property.
This vitamin improves improves blood flow in scalp by
increasing growth of arteriols.
Moreover, wheat germ oil plays an important role in cell
structure and reduction of dryed, flaky scalp, due to its
high essential fatty acid content.
The antioxidant fitic acid in wheat germ oil along with
millet extract suppresses free oxygen radicals activity and
as a result, prevents hair follicle oxidation and helps in a
bright, thick and normal color hair (9, 10).

Just for hair women formula
Brewer's yeast:
Brewer's yeast is a rich source of minerals --
particularly selenium; protein; B-complex
vitamins. The B-complex vitamins in brewer's
yeast include B1 (thiamine), B2 (riboflavin),
B3 (niacin), B5 (pantothenic acid), B6
(pyridoxine), B9 (folic acid), and H or B7
(biotin) (11). B-vitamins and selenium are
effective in hair growth (12).
Besides, brewer's yeast is a source of PABA
and biotin which can in turn be beneficial for
hair nourishment and keeping its normal color
(13).

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Millet extract:
The millets are a group of small-seeded species of
cereal crops or grains, widely grown around the world
for food and feed use.
Details on the extraction method and the composition
of the whole-millet seed extract have been given with
regard to several nutrients (fatty acids, protein/amino
acids, minerals).
However, from the references provided the Panel notes
that the triterpenoid miliacin contained in the millet
seed extract was indicated as one of the active
constituents of the combination in relation to the
claimed effect (14, 15).
Millet extract can also reduce hair loss due to
chemotherapy (16).

Just for hair women formula
PABA
PABA is an antioxidant which protects body cells from
free radicals damage.
It also delays aging and improves cell membrane
health.
This precious compound increases hair flexibility and
darkens grey hair, prevents hair loss and helps in
keeping maintaining a fresh skin.
A combination of PABA, pantothenic acid and brewer's
yeast has been proposed for darkening of grey hair (17,
18).

Just for hair women formula
MSM:
MSM is a natural source of highly absorbable
sulfur.
Sulfur is necessary for nail, skin and hair
formation.
Since MSM keeps skin and hair shiny, they call it
"nature's beauty mineral".
This compound makes anagen phase longer thus
allowing hair to grow more.
It also acts as a strong antioxidant which fights
against free radicals and delays hair aging (7).

Just for hair women formula
Silica
Silica is present in significant amounts in
various species of horsetail (Equisetum
spp.), which have been found to promote
circulation to the scalp to encourage hair
growth.
James A. Duke, Ph.D., at Green pharmacy,
in Fulton, Maryland, and a world-renowned
botanist, recommends adding a teaspoon
of dried horsetail to herbal teas as a
natural approach to hair loss (7).

Just for hair women formula
Cysteine:
Cysteine protects hair strength via providing
enough sulfur for hair cells. Almost a quarter
of keratin is constructed from cysteine.
Administrating cysteine supplement can be
effective in improving hormonal hair loss.
Cysteine is also necessary for glutathione
synthesis.
Glutathione is also a strong antioxidant and
can protect hair follicles against damages
caused by radiation, toxins and etc1,3.

Just for hair women formula
Methionine:
Methionine is a sulfur-containing amino acid that
body cannot make it.
This amino acid is an important antioxidant that
protects hair against harmful foreign agents.
Methionine is second component after cysteine
in keratin and is a necessary amino acid in
collagen (protein of connective tissue)
structure.
Insufficient methionine intake can slow hair
growth rate and deform hair texture.
Methionine can also slow hair graying and
thinning rate4.

JUST FOR HAIR FORMULA REFERENCES
References
1.http://www.americanhairloss.org/women_hair_loss/introduction.asp
2.http://www.webmd.com/skin-problems-and-treatments/hair-loss/features/women-hair-
loss-causes
3.http://www.americanhairloss.org/women_hair_loss/causes_of_hair_loss.asp
4.http://www.americanhairloss.org/hair_science/
5.http://www.ncbi.nlm.nih.gov/pubmed/15645092
6.http://www.ncbi.nlm.nih.gov/pubmed/19237503
7.http://www.ncbi.nlm.nih.gov/pubmed/?term=9783595
8.http://europepmc.org/abstract/MED/21167696
9.http://www.livestrong.com/article/314211-hair-loss-essential-fatty-acids/
10.http://www.ncbi.nlm.nih.gov/pubmed/22077851
11.https://umm.edu/health/medical/altmed/supplement/brewers-yeast
12.http://online.liebertpub.com/doi/abs/10.1089/1076280041580431
13.http://www.amazon.com/Earl-Mindells-Supplement-Bible-Comprehensive/dp/0743226615
14.http://www.efsa.europa.eu/sites/default/files/scientific_output/files/main_documents/22
44.pdf
15.http://www.ncbi.nlm.nih.gov/pubmed/16702051
16.http://europepmc.org/abstract/MED/18299680
17.http://warddeanmd.com/dmae-and-paba/
18.http://www.nature.com/jid/journal/v15/n6/full/jid1950121a.html HOME

Hair Growth
Myths
and
Facts

Hair Growth Myths and Facts
• Gray hair is coarser and more resistant than pigmented hair.
FACT: other than lack of pigment, gray hair is exactly the
same as pigmented hair. It is not resistant because it is gray,
& is not more resistant than the pigmented hair on the same
person’s head
• Amount of natural curl is determined by racial background.
FACT: anyone of any race can have straight or extremely
curly hair

Hair Growth Myths and Facts
• Clipping, shaving, trimming & cutting makes hair grow faster
FACT: have no effect on hair growth
• Scalp massage increases hair growth
FACT: no evidence to indicate this is true. Nutraceutical (
nature dietary supplement like Just for hair ) and
pharmaceutical ( chemical drugs menoxidil and Finasteride )
are the only treatments that have been proven to increase
hair growth and are approved for that purpose by the FDA.

Hair Growth Myths and Facts
• Hair loss are just hair loss
FACT: Of course what these people
don't seem to realize is that the
psychological damage caused by hair
loss and feeling unattractive can be
just as devastating as any serious
disease
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