Norwood scale – how can it be used to estimate number of grafts required in hair transplant


Hair transplantation is only effective, safe and long lasting hair thinning and hair loss treatment.If you are going through the psychological trauma of hair loss and its affecting your everyday life, then hair transplant may be your only option to make it all right.

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2/3 hair strands represent a graft. Like 2500 hair grafts have approximately 5000 to 7500 hair follicles.

To figure out the number of hair follicles needed to cover the hair loss in the recipient areas is done by the:

  • Examination of the recipient region
  • Then the calculation of the hair grafts counts which are needed in the hair transplantation procedure.

The Norwood Scale is the mode or way which is used to measure hair fall and it’s also used to estimate the number of grafts required in hair transplant.

A specific number is given to each stage of hair loss and the higher number/ stage indicates the severity of hair loss. Norwood Scale is introduced solely for the hair transplantation purpose.

According to the Surgeons:

However according to the surgeons, multiplying the patient’s Norwood Scale level of hair loss severity by 1000 to 1500 can give the idea of an approximate number of hair grafts. Which will be needed to provide realistic results and natural looking hair through hair transplant surgery.

So if you are experiencing hair loss and decided to get a hair transplant. Then you can get an approximate estimate of your hair grafts which will be required in the hair transplant procedure.

Uniform Density of Hair Requires More Hair Grafts:

But remember that uniform density of hair can’t be created. Giving a greater illusion of hair density in the front of the scalp requires more hair grafts as compared to the back of the scalp, which can be filled with the finite number of grafts.

To achieve the real even hair density on a completely bald scalp or on Norwood Scale level 5, a lot more hair grafts will be needed.  Most victims who are suffering hair loss don’t have the approximate number of hair follicles needed to acquire full head of hair. So the surgeons use hair follicles strategically according to the patient’s realistic goals/ expected results.

Here is the Norwood Hair Scale which is used in the hair transplantation procedure to estimate the number of grafts required in hair transplant.

Norwood Hair Scale:


Consultation with the Trichologist at the Hair Transplant Clinic:

So to avail the opportunity of getting a successful hair transplant to cure your hair thinning or hair loss, you have to arrange an appointment with the trichologist in Dubai.

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He will examine your scalp thoroughly and then will evaluate your treatment options according to the severity of your hair issue.

Then the trichologist may recommend you to get a suitable therapy or to get a FUE hair transplant Dubai from Hair Transplant Dubai Clinic.


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Written By: Dr. Cagatay Sezgin

Dr. Cagatay Sezgin is a celebrity hair transplant surgeon with over 20 years of experience in hair transplantation and restoration. He is the First Turkish Board Surgeon to become a member of the International Society of Hair Restoration Surgery (ISHRS) and the Asian Association of Hair Transplant Surgeons (AAHRS). Moreover, he has the honor of becoming the first hair transplant surgeon in the world to perform hair, eyebrow, and beard transplantation all in one case and that too in a single session.

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