Hairs are very peculiar characteristics of mammalian groups in animal
kingdom. It has a very important part to play in living beings. Humans
also have hairs that serves important role in their lives. From very
ancient times hairs have been a beauty symbols for both men and women.
People are now days spending a great part of their earrings for hair
care.
People around the globe have passion for hairs. And hair care industry is growing day by day to fulfill the requirements of the people
People around the globe have passion for hairs. And hair care industry is growing day by day to fulfill the requirements of the people
But first we should know what are hairs and how to they grow
Hairs
are the outgrowths from the follicles present on the skin. These
follicles are situated on the dermis, the second layer of the skin and
extend up to the epidermis that is the outermost layer of the skin.
Through this follicle their grows out a hair. Hair is composed of
keratin with chemical constituent like carbon, hydrogen, nitrogen,
sulphur and oxygen.
Hair growth varies from person to person but on an average hair grows of about 5 to 10 mm per month. Maximum growth of hairs takes place at the age of about 15 to 30 years. It is seen that hair growth is more in summers as compared to winters.
Scalp (skin on head) consists
of seven components. These are papilla of hairs, hair shaft, mouth of
follicle, stratum granulosum, sebaceous gland and oil duct. Hair also
possesses a life cycle. Firstly hairs grows from the follicle, then the
hair enters a rapidly growing phase, then the hair enters a stagnant
phase i.e. inactive phase and then hair dies off and ultimately fell
off. An average life of hairs varies from 2 to 5 years.
Hair loss
A
disease common globally, which has really created chaos around the
world now a days. A very common problem which as been faced globally.
Recent data shows tendency of hair fall has increased in past two
decades. Causes of hair fall are
· Deficiency of useful minerals and vitamins in body
· Mental and emotional stress
· Prolonged illness
· Hormonal imbalance commonly seen in hyperthyroidism, imbalance in androgen and estrogen.
· Usually after child birth due hormonal imbalance
·
Certain medications like blood thinners, vitamin A if taken in excess
amount, non-contraceptive pills, anti depressant drugs and medicines
used in chemotherapy for treating cancer patients.
· Certain infections that can promote hair loss for example fungal infection on scalp
· Diseases like diabetes may also be a precipitating factor in hair loss.
· Poor blood circulation or excess blood loss
· Poor nutrition
· Lack of sleep and life style disorder
· Hereditary factors.
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