The Anatomical Structure of Hair
Our hair is often referred to as a “skin appendage,” meaning that it originates and grows out of
our skin (other skin appendages include: fingernails, toenails and sweat).
One hair follicle produces 1-4 hair shafts. Each hair shaft consists of 3 layers.
Hair follicle layers:
• The outer root sheath (trichelemma) - the outer layer of the hair follicle; pores (from
which the hair grows) form when the dermis combines with the epidermis on the surface
of the skin.
• The inner root sheath - the middle layer of the hair follicle; composed of three parts –
Henle’s layer, Huxley’s layer and the internal cuticle.
• The bulb - the lowest part of the hair follicle; this is where the “inner matrix cells” reside.
We can determine the width of a fully grown hair by the size of its bulb and the number
of accompanying matrix cells.
The hair shaft is primarily made up of a protein called Keratin. Like the follicle itself, the hair
shaft has 3 prominent layers:
• The cuticle - the surface layer of the hair; this layer protects the inner structure of the
hair. The cuticle is made up of transparent, protective scale-like cells.
• The cortex - the middle layer of the hair; this layer gives strength to hair shafts and
contains the pigments which give hair its colour.
• The medulla - the innermost layer of the hair shaft; only present in fully grown hair.
Why do we have hair?
Like most of our other body parts, hair serves several distinct purposes.
• Hair covers our entire body (head, legs, nose, etc.), protecting our skin from dirt, heat and
bacteria.
o The hairs in our ears prevent dirt and water from entering; the hairs on our
eyelashes and eyebrows prevent perspiration and particulates from harming our
eyes; the hairs in our nose protect our bodies from bacteria; etc.
• Hair regulates our body temperature.
o Hair protects our skin from sun-damage and reduces the negative effects of
extreme cold and heat.
The Causes of Hair Loss
Hair loss can be caused by a variety of factors:
- Genetics/hereditary
- Autoimmune diseases
- Medications/current treatments
- Poor diet and stress
There are many rumors surrounding the nature and causes of hair loss. Many of these are
justified, but many are not. It is important to approach our hair loss from a factual standpoint in
order to properly address symptoms ranging from hair breakage and fallout to general thinning.
Male Reactions to Hair Loss
Men can react to hair loss in a variety of different ways. Many men become depressed; their
self-esteem and confidence are largely reduced and they begin multiple treatment regimens in
order to re-grow their lost hair. Often times these regimens are ineffective, little more than an
amalgamation of supplements and topical solutions that aren’t rooted in real science.
Nevertheless, this approach is common for men in the early stages of hair loss.
Although the options for dealing with hair loss are limited, there are still several efficacious
treatments on the market. Information about these existing therapies will be provided later.
It can be easy to become pessimistic at the onset of hair loss. But instead of focusing on negative
feelings such as hopelessness or dissatisfaction, always try to find something positive about your
situation. Regardless of societal stereotypes, many men actually look better with shaved heads.
Plus, savings on haircuts and shampoo are two benefits that cannot be overemphasized.
Acceptance truly is the best starting place for any successful treatment regimen.
You Are Not Alone
It is important to remember that you are not the only one suffering from emotional complications
related to hair loss. There are millions of men around the world that are experiencing the exact
same anxiety, depression and worry.
Losing hair isn’t easy at all. To the contrary it can be extraordinarily difficult. But do not stress
out. I repeat, do not stress out. Often times we are our own worst critics. We expect everyone to
care as much about our hair loss as we do, but most people hardly take notice.
Over 100 million people around the world are affected by different forms of hair loss. Many
aren’t aware of it yet, others may not even care, and most are just like you. Before turning in
desperation to treatments that are risky, harmful or ineffective, take a moment to assess the
situation and realize that you are experiencing a completely normal and acceptable phenomenon.
Staying positive is the first step in developing a worthwhile and effective treatment regimen.
Our hair is often referred to as a “skin appendage,” meaning that it originates and grows out of
our skin (other skin appendages include: fingernails, toenails and sweat).
One hair follicle produces 1-4 hair shafts. Each hair shaft consists of 3 layers.
Hair follicle layers:
• The outer root sheath (trichelemma) - the outer layer of the hair follicle; pores (from
which the hair grows) form when the dermis combines with the epidermis on the surface
of the skin.
• The inner root sheath - the middle layer of the hair follicle; composed of three parts –
Henle’s layer, Huxley’s layer and the internal cuticle.
• The bulb - the lowest part of the hair follicle; this is where the “inner matrix cells” reside.
We can determine the width of a fully grown hair by the size of its bulb and the number
of accompanying matrix cells.
The hair shaft is primarily made up of a protein called Keratin. Like the follicle itself, the hair
shaft has 3 prominent layers:
• The cuticle - the surface layer of the hair; this layer protects the inner structure of the
hair. The cuticle is made up of transparent, protective scale-like cells.
• The cortex - the middle layer of the hair; this layer gives strength to hair shafts and
contains the pigments which give hair its colour.
• The medulla - the innermost layer of the hair shaft; only present in fully grown hair.
Why do we have hair?
Like most of our other body parts, hair serves several distinct purposes.
• Hair covers our entire body (head, legs, nose, etc.), protecting our skin from dirt, heat and
bacteria.
o The hairs in our ears prevent dirt and water from entering; the hairs on our
eyelashes and eyebrows prevent perspiration and particulates from harming our
eyes; the hairs in our nose protect our bodies from bacteria; etc.
• Hair regulates our body temperature.
o Hair protects our skin from sun-damage and reduces the negative effects of
extreme cold and heat.
The Causes of Hair Loss
Hair loss can be caused by a variety of factors:
- Genetics/hereditary
- Autoimmune diseases
- Medications/current treatments
- Poor diet and stress
There are many rumors surrounding the nature and causes of hair loss. Many of these are
justified, but many are not. It is important to approach our hair loss from a factual standpoint in
order to properly address symptoms ranging from hair breakage and fallout to general thinning.
Male Reactions to Hair Loss
Men can react to hair loss in a variety of different ways. Many men become depressed; their
self-esteem and confidence are largely reduced and they begin multiple treatment regimens in
order to re-grow their lost hair. Often times these regimens are ineffective, little more than an
amalgamation of supplements and topical solutions that aren’t rooted in real science.
Nevertheless, this approach is common for men in the early stages of hair loss.
Although the options for dealing with hair loss are limited, there are still several efficacious
treatments on the market. Information about these existing therapies will be provided later.
It can be easy to become pessimistic at the onset of hair loss. But instead of focusing on negative
feelings such as hopelessness or dissatisfaction, always try to find something positive about your
situation. Regardless of societal stereotypes, many men actually look better with shaved heads.
Plus, savings on haircuts and shampoo are two benefits that cannot be overemphasized.
Acceptance truly is the best starting place for any successful treatment regimen.
You Are Not Alone
It is important to remember that you are not the only one suffering from emotional complications
related to hair loss. There are millions of men around the world that are experiencing the exact
same anxiety, depression and worry.
Losing hair isn’t easy at all. To the contrary it can be extraordinarily difficult. But do not stress
out. I repeat, do not stress out. Often times we are our own worst critics. We expect everyone to
care as much about our hair loss as we do, but most people hardly take notice.
Over 100 million people around the world are affected by different forms of hair loss. Many
aren’t aware of it yet, others may not even care, and most are just like you. Before turning in
desperation to treatments that are risky, harmful or ineffective, take a moment to assess the
situation and realize that you are experiencing a completely normal and acceptable phenomenon.
Staying positive is the first step in developing a worthwhile and effective treatment regimen.