Hair is far more complex than it appears on the surface. We all know that it not only plays a vital role in the appearance of both men and women, but it also helps to transmit sensory information as well as create gender identification.

The Origins of Hair

By week 22, a developing fetus has all of its hair follicles formed. At this stage of life there are about 5 million hair follicles on the body. There are a total of one million on the head, with one hundred thousand of those follicles residing on the scalp. This is the largest number of hair follicles a human will ever have, since we do not generate new hair follicles anytime during the course of our lives. Most people will notice that the density of scalp 

hair is reduced as they grow from childhood to adulthood. 
The reason: Our scalps expand as we grow.




Hair Follicles

Hair has two distinct structures - first, the follicle itself, which resides in the skin, and second, the shaft, which is what is visible above the scalp.
The hair follicle is a tunnel-like segment of the epidermis that extends down into the dermis. The structure contains several layers that all have separate functions. At the base of the follicle is the papilla, which contains capillaries, or tiny blood vessels that nourish the cells. The living part of the hair is the very bottom part surrounding the papilla, called the bulb. The cells of the bulb divide every 23 to 72 hours, remarkably faster than any other cell in the body.

Two sheaths, an inner and outer sheath, surround the follicle. These structures protect and form the growing hair shaft. The inner sheath follows the hair shaft and ends below the opening of a sebaceous (oil) gland, and sometimes an apocrine (scent) gland. The outer sheath continues all the way up to the gland. A muscle called an erector pili muscle attaches below the gland to a fibrous layer around the outer sheath. When this muscle contracts, it causes the hair to stand up which also causes the sebaceous gland to secrete oil.

The sebaceous gland is vital because it produces sebum, which conditions the hair and skin. After puberty our body produces more 

sebum but as we age we begin to make less sebum. Women have far
 less sebum production than men do as they age.



Hair Shafts

The hair shaft is made of a hard protein called keratin and is made in three layers. This protein is actually dead, so the hair that you see is not a living structure. The inner layer is the medulla. The second layer is the cortex and the outer layer is the cuticle. The cortex makes up the majority of the hair shaft. The cuticle is a tightly formed structure made of shingle-like overlapping scales. It is both the cortex and the medulla that holds the hair's pigment, giving it its color.







Hair Growth Cycle

Hair on the scalp grows about .3 to .4 mm/day or about 6 inches per year.
 Unlike other mammals, human hair growth and shedding is random and 
not seasonal or cyclical. At any given time, a random number of hairs will be in
 one of three stages of growth and shedding: anagen, catagen, and telogen.

Anagen

Anagen is the active phase of the hair. The cells in the root of the hair are dividing rapidly. A new hair is formed and pushes the club hair (a hair that has stopped growing or is no longer in the anagen phase) up the follicle and eventually out. 

During this phase the hair grows about 1 cm every 28 days. Scalp hair stays in this active phase of growth for two to six years. 

Some people have difficulty growing their hair beyond a certain length because they have a short active phase of growth. On the other hand, people with very long hair have a long active phase of growth. The hair on the arms, legs, eyelashes, and eyebrows have a very short active growth phase of about 30 to 45 days, explaining why they are so much shorter than scalp hair.



Catagen

The catagen phase is a transitional stage and about 3% of all hairs are in this phase at any time. This phase lasts for about two to three weeks. Growth stops and the outer root sheath shrinks and attaches to the root 
of the hair. This is the formation of what is known as a club hair.

Telogen

Telogen is the resting phase and usually accounts for 6% to 8% of all hairs. This phase lasts for about 100 days for hairs on the scalp and longer for hairs 
on the eyebrow, eyelash, arm, and leg. During this phase, the hair follicle is completely at rest and the club hair is completely formed. Pulling out a hair in 
this phase will reveal a solid, hard, dry, white material at the root. About 25 to 100 telogen hairs are shed normally each day    



It started at age 16, I thought it was initially due to use of hair-gel, but now I don't use gel anymore but I still have the hair-loss problem increasing on the temple of my head. Hair falls off easily sometimes while combing and after showers.... Also I sweat easily on that part of my head. Please, do you have any tips of any natural oils or supplements I may take?


ANSWER :

Hello,

 The use of hair gel, as well as, showering are not reasons why you are experiencing hair loss. It could be
 a combination of stress, hormonal imbalance and genetics.
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Don't worry though, you are not alone, around 25% of males experience balding before the age of thirty. There are some natural remedies that you can try.

My favorite is : ARGANRain anti hair loss Shampoo
Argan-Rain is a shampoo that is specifically designed for people with thinning hair. ARGANRain does not contain harmful chemical as well.

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 Reinforces the roots and improves hair structure
 Adds body and life while restoring balance
 Protects and maintains hair condition


ARGANRain anti hair loss Shampoo on the market designed to help stop hair loss. Developed in Europe zone for the prevention of hair loss and it has been proven

effective in independent studies . Europeans have been using ARGANRain anti hair loss Shampoo products for years with great results.

ARganrain has not only a shampoo but also oil ( ARGAN OIL) They diffuse themselves into the hair follicles and clean out each follicle and prepare the scalp for the

treatment ARGANRain to help stimulate new hair growth. The treatment oil protects against hair loss, dandruff and promotes new hair growth.












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4 comments :

  1. Thanks to an educational publication :)

    ReplyDelete
  2. My Hair is Loss So I Need Hair Regrowth

    ReplyDelete
    Replies
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