How many grafts does a patient need for a Hair Transplant Surgery?

One of the main concerns of patients who want to go through with Hair Transplant Surgery is the amount of hair grafts they will need for their surgery. Before clarifying this concern, it’s important to know what a hair graft is.

A hair graft is a grouping of 1,2,3 or even 4 hair strands. In other words, it’s a segment of skin that contains a certain amount of hair.

It is estimated that around 3,000 hair grafts per session can be transplanted in one session through the FUE (Follicular Unit Extraction) method which has more than a 90% success rate, making it a very effective option for patients with Alopecia.


How to determine the amount of grafts?

The most common way to determine how many hair grafts are needed is by using the Norwood Scale.

The Norwood scale classifies the stages of male pattern baldness. These stages are described with a number from 1 to 7. For example stage 1 is when there is no significant hair loss or recession of the hairline, on the other side of the scale is stage 7 which is the most severe stage of hair loss, where there is only a band of hair going around the sides of the head remains.

Taking the Norwood Scale into account, there is a suggested amount of hair grafts that are needed for each stage.

For example, patients with only a receding hairline generally only need 800-1,500 grafts. On the other hand, patients who have alopecia in the front two thirds of their head typically need 3,000 to 4,000 hair grafts. For a full head, the average amount of grafts are between 4,000 and 6,000. It’s important to note that for this amount of grafts it’s necessary to have two or more sessions.


However, the number of hair grafts a patient needs depends on certain factors, such as the thickness of the individual's hair, the extent of their hair loss, the patient's age, etc. In addition, every patient has a different amount of hair, a certain thickness and even head size. All these factors are taken into consideration by a surgeon when choosing the best option for every individual patient.

It’s imperative that the patient does their research and has an online consultation with their desired surgeon, as they will guide the hair transplant patient and determine how many grafts are needed for their specific situation.

The surgeon will also explain how much 2,000 grafts cover which is usually between one third and a half a head of hair. However, it all depends on the head size and hair quality.In addition the amount of sessions the patient needs depends on how severe their alopecia is.

Get Dr. Cortez recommendation and learn how many grafts you need for your hair transplant

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