Everything you need to know about hair thinning

Everything you need to know about hair thinning - welzo

You can experience hair loss due to a variety of reasons.

Stages of hair loss

 

As you get older, the hair density on your scalp decreases. From an average density of 800-1500 hair threads per square inch in the youth, it can fall to 1000-1200 per square inch past 60. Why does it happen? The thinning hair and decreasing hair density could be due to various reasons.

Hair loss is a complicated phenomenon

Besides the physiological hair loss, which is often related to heredity (male and female pattern baldness), hair loss could also be caused by nutritional factors, stresses, etc. Besides heredity hair loss, all other hair losses are temporary, and hair growth restarts as the cause is removed. We are going to discuss why hair thinning happens and what you can do to reverse it.

Hair cycle, the gateway to understand thinning hair

Like any living creature, the hair on your scalp and other body parts also grow and die in a cycle called the 'hair cycle. Your hairs grow from the structures called hair follicles. These are the roots of hairs. The growth cycle of a hair follicle has two prominent phases;

  1. A resting phase (telogen phase)
  2. A growing phase (anagen phase)

Usually, 6-13% of your hair follicles should be in the resting phase, while most of the remaining (90%) should be in a growing phase. The growing phase is the most lengthy phase of the hair cycle.

A balance of follicles in these phases determines hair density. It is common to lose 50-100 hairs daily from a full scalp because a resting follicle sheds its strand. However, strands regrow back as the follicle enters the growth phase. Rapidly thinning hair strands means more hair follicles are entering the resting phase and fewer are return back to the growing stage.

Why do more hair follicles enter the resting phase?

A lot of factors are responsible for this. These factors are;

  • Hereditary factors (androgenic alopecia) causing an increased sensitivity to dihydrotestosterone (DHT), the male hormone responsible for hair loss. It is a slow hair loss and results in a slowly receding hairline. It is a permanent hair loss, although some medications can give some relief.
  • Advanced age slows down hair growth due to a wide array of degenerative changes in the body.
  • Autoimmune diseases in which your body's defence system backfires and attacks the body cells. The destruction of hair follicles produces a patchy hair loss (alopecia areata).
  • Hair loss due to inflammation as it destroys hair follicles (scarring alopecia)
  • Overdoses of selenium and vitamin A. A higher intake of vitamin A will speed up the hair cycle and increase the number of hair in the resting phase.
  • Heavy metal poisoning, e.g., lithium, arsenic, mercury, thallium, aluminium, etc. If you have a large industrial unit in your neighbourhood, it could be the culprit.
  • Diet deficient in biotin, proteins, iron, zinc, and vitamins C and D.
  • Psoriasis and other scalp infections.
  • Hormonal disturbances related to menopause in women and thyroid issues in men.
  • Excessive use of hair treatments, e.g., during massaging and styling
  • Mechanical stresses to the hair, e.g., pulling, tugging, rough massage, etc.
  • Pregnancy and Birth
  • Psychological depression and emotional stresses
  • Anti-cancer drugs and other such medicines.

For more detailed information about the causes of hair loss, click here to visit our information pages.

Speed of hair loss

You should note its speed whenever you notice a sudden hair fall. The androgenic alopecia and alopecia due to ageing will be slow but progressive. You will find that weaker and thinner hair threads are replacing the previous thick and healthy hair threads on the crown and temples until a bald scalp appears. It is due to the rapid weakness of hair follicles due to ageing and genetics.

Losing hair very rapidly could be a severe warning sign.

 

If, however, there is a sudden hair loss and the strands being lost are thicker and more stronger, it could be due to other reversible causes mentioned above. A sudden and unexpected hair loss should not be ignored, and you should rush to the doctor because it could be a sign of serious underlying diseases.

Treatment of hair loss

Treatment depends on the cause and type of hair loss. The following treatment options are at your disposal. You can choose any option after consulting a dermatologist.

Medications

Finasteride and minoxidil are two approved drugs for male and female pattern hair loss. Minoxidil (Rogaine) is available as a spray (2-5%) concentration and is applied directly on the balding area. Twice daily use for at least six months is required before you begin to notice any change. However, hair fall will start again as you leave the drug. The side effects include irritation on the scalp, contact dermatitis, and abnormal hair growth on other body parts.

Finasteride (Propecia) is available as 1 mg oral pills and is to be taken daily. It could be combined with minoxidil if minoxidil alone is ineffective. Side effects include erectile dysfunction, gynecomastia (development of breast tissue in men), and decreased libido.

Here at Welzo, we provide both of these medications. Click here to use our quick online consultation tool and place your order.

Nutrition

Nutrition directly impacts any body function, and hair loss is no exception. A diet rich in proteins, vitamins (particularly biotin and vitamin D), minerals, Omega 3 fatty acids, and essential fatty acids can improve hair growth.

Essential oils

Essential oils are claimed to be beneficial in hair loss, but scientific evidence in support of this claim is limited. The essential oils beneficial for the scalp are

  • Lavender oil
  • Cedar-wood oil
  • Peppermint oil
  • Rosemary oil
  • Jujuba oil

Before applying, these essential oils should be combined with carrier oils, e.g., coconut oil. A 2010 study published in the Food and Chemical Toxicity found that a regular application of 1-10% concentration of jujuba essential oil increased the length of hair thread by more than 1 mm compared to the control.

Scalp massage

Scalp massage promotes hair growth.

Scalp massages can improve blood circulation and stimulate the hair growth. A mixture of essential and carrier oils should be used.

Lifestyle changes

Lifestyle should be adjusted to minimise stress levels. The following practices can help to reduce stress;

  • Hypnotherapy
  • Acupuncture
  • Psychological motivation

Home remedies

Some home remedies can also promote hair growth. These are;

  • Caffeine (which is present in tea)
  • Onion juice
  • Garlic gel has anti-inflammatory and antibacterial properties and can help, mainly if your hair loss is due to some infections.
  • Ginseng, a herb is also claimed to treat hair loss.

Hair transplant and PRP

Both these options are rapidly emerging. The hair transplant is a surgical procedure in which hair follicles are grafted into the scalp and these grafted hair grow like normal hair.

The PRP means platelet-rich plasma. In this technique, the platelet-rich plasma is injected at various points on the scalp, and it helps promote hair growth.

When to visit a doctor?

Natural and hereditary hair loss is not a disease. It is experienced by half of the UK population at some stage in their life. So, you should not worry and console yourself by doing whatever you can. However, if hair loss compromises your emotional well-being, you should seek expert intervention.

You should also seek immediate medical attention if;

  • There is a sudden and unexpected hair loss
  • The hair loss doesn't follow the natural process, and you note patches of bald areas on the scalp, beard, or moustache, which are surrounded by normal hair growth.
  • Hair loss is accompanied by other signs, e.g., burning and itching.

In such cases, you should consult a dermatologist who will diagnose and treat the underlying cause.

Can hair thinning be reversed?

It is a frequent question asked by the people.

The reversibility depends upon the cause and type of hair loss. For example, hair loss due to cancer treatment recovers within 3-6 months, and hair fall due to pregnancy takes 6-9 months to recover. Some medicines (minoxidil and finasteride) can help recover male or female pattern baldness, but the results are mixed, and some people feel no or very little improvement.

One crucial thing about hair fall medications and PRP is that they work only if weak follicles are present. If follicles have entirely vanished (e.g., in old androgenic alopecia), you are less likely to get any benefit.

However, some options are still available, e.g., hair transplant surgery.

Bottom line

The stronger hair threads only on the stronger follicles. Due to various reasons, e.g., genetics, lifestyle, stresses, exposure to chemicals, ageing, autoimmune reactions, inflammation, etc., the hair follicles become weak, and hairs on them are progressively replaced with more vulnerable and worthless strands. You will notice that thick and more substantial hair is gradually replaced with softer and thinner hairs until you become fully bald.

Healthy and shiny hair on the scalp are an essential part of your personality.

There are a lot of treatment options that can prevent or at least slow down the hair fall process. If you are worried about it, you should immediately go to the dermatologist.

At Welzo, our experts are available to guide you. Click here for online consultation.

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