What You Need to Know about “Hair & Scalp Hair”

About Human Scalp Hair

The growth of human hair is extremely complex process and the hair grows at an average rate of approximately 1-1.5 cm per month. The average person has 100,000 – 150,000 hairs on their scalp at any given time. One single strand of hair is comprised of multiple components; all of which contribute to the body’s ability to grow & maintain healthy hair. Human body produce three different types of hair, the one on the scalp is known as terminal hair

Hair Growth Cycle

The human being is constantly in a state of growing and losing hair, the scalp sheds hair that is dead or damaged on a daily basis. Most of our hair are in the Anagen Phase, the active growing phase. Only small proportion are in one of two remaining phases of hair growth cycle. The duration of anagen is on average 3-4 years but can in some cases be as long as 9 years. At any tome on a healthy human scalp, about 80% to 90% of the hair follicles are growing hair.

The people who complain of their hair becoming finer and thinner with less colour are usually due to shortened anagen phase.

The Catagen Phase or Hair Loss Phase, lasts about 3-4 weeks.

The third phase known as Telogen Phase and lasting few months, during this phase the hair is resting or sleeping as neither growing nor falling out and for that called sleeping phase. 10-20% of healthy scalp hair are in telogen phase, when they don’t produce any hair fiber.

How Much Hair Loss is Normal?

Most people shed between 75-100 scalp hairs every day from their scalp. These hairs are lost to make way for new growth hair that will soon appear. If it starts to fall out in clumps or getting thinner over time, better to consult about it.

Hair Fall Problem

Alopecia is the medical term for excessive or abnormal hair loss. There are different kind of alopecia. What all hair loss has in common, whether it’s in men or women, is that always a symptom of something else that’s gone wrong in your body.

Symptoms of alopecia?

Although the follicular changes that lead to alopecia are similar between men and women, clinical presentation and response to therapy are different. 

What are the common Causes of alopecia?

There is no single cause. Triggers range from medical conditions which are as many as 30 to stress and lift style factors, like what you eat. Your genes to the environment but, the most common type is androgenic alopeciaAGA” (male or female pattern baldness) which account for more than 95% of hair loss in men. Hormonal influence, environmental issues. Health condition like; infection, iron or vitamin D deficiency, autoimmune disorders and metabolic problems can also have a role in causing alopecia in men and women. Fortunately, alopecia can be a symptom of a short-term condition as stress, pregnancy, disease, medication, malnutrition or after chemotherapy. In these situation, hair will grow back when the occurrence or the illness is addressed, hairs go back to their pattern of growth and shedding, and the problem of hair fall will be under control. 

To read more about hair fall types and causes in men READ MORE  , and women READ MORE

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