Is Hair a Dead Cell?

For something that has been on top of our headHowever, it moves away from the skin-form and
(and all around our body, actually), hair is one ofdifferentiates itself through the tubular structure
the most ignored things in the human anatomy.and its predisposition to make use of melanin; the
The pre-conception that hairs are just tubularnatural pigment found on the human skin.
assemblages of dead cells made of protein hasThe melanin is there to protect you from the
made some people complacent, or even careless.direct ravages of the sun's radiation. That's why
Is Hair Dead?extreme exposure to sunlight causes the hair to
To clarify, hair is dead matter. The material thatshrivel up and lose some of its original color which
composes human hair is very common to theis a sure sign of sun damage.
integument system of the human body. ByAn average person would have more than a
integuments, we refer to the human hair, the nailshundred thousand follicles at any one time. Babies
on the hands and on the feet and the small, downhave more than double this number, but
like hair that surrounds the human body. What'seventually lose the extra follicles as they physically
the common denominator between all thesemature. If you count the whole body, the number
different appendages?jumps to five million easily.
That would be the protein-like compound knownWhat is Anagen & Telogen Phases?
as keratin. Keratin is responsible for making ourYou must remember that hair follicles have two
nails grow back, and is also responsible indistinct, biological phases. The first phase is called
continually reproducing our hair.the anagen phase. This phase allows the hair
Keratin is produced in the human body with thefollicles to actively reproduce hair strands as they
help of the most common micro-nutrients around,are being shed everyday. If you're young (and
namely: vitamin C (or ascorbic acid), vitamin Adon't have male-pattern baldness yet) then at
(the 'eye' vitamin is also a hair vitamin), vitamin Bleast ninety percent of your follicles are in this
(all B-vitamins are helpful) and of course, vitamin Dphase.
(found in milk and dairy products, and produced inWhat happens when the anagen phase abruptly
small amounts in the skin when sunlight isquits on you? Well, the hair enters the second,
present).unfortunate phase: the telogen phase. The telogen
Hair, as you may already know, is 'stacked' intophase is the time when follicles simply wave
tubes. These tubes, which number in the hundredsgoodbye, and your hair falls out.
of thousands, is the hair that we stroke whenAnyway, the human hair can grow at least half an
we're happy or sad.inch per month, depending on how healthy your
Is Hair Part of Skin?scalp is. When your hair reaches more than three
Is hair part of your skin? If so, why does it lookfeet, the body detects the relative length, and the
different? The answers to these questions are ashair simply stops lengthening itself.
follows. Technically, your hair is skin material.