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elithairtransplant
13.03.2020

What is a Choi pen implanter ?

There is a number of various techniques of hair transplantation. The choice of the right one depends on various factors, such as the severity of hair loss, the hair structure, the number of grafts to be removed and the strived-for results.

The field of hair transplantation is being constantly developed and enhanced to provide the patients with the safest procedure and the best results. One of the recent developments is the DHI technique and the Choi pen. The combination of the two ensures a gentler intervention and allows for higher hair density.

The Choi pen: hair transplant technique from Asia


The Choi pen implanter was invented at the Kyungpook National University in South Korea in 1992. In Asian countries, this technique has been practised for years and now it is also gaining ground in the West.

As the name suggests, this tool looks like a pen. Its lower end has a needle, where the grafts are inserted after they have been removed. Then, the grafts are implanted into the recipient area by pressing on the upper end of the pen.

What are the perks of the Choi pen hair transplants ?


A great advantage of this pen is the ability to control the depth with which the grafts are inserted into the balding patches of the scalp. It eliminates the risk of inserting the hairs too deep into the scalp.

Besides, the risk of damaging the grafts is minimised too, which increases the rate of the hair follicles successfully setting in a new place. It is important to note that the grafts (i.e. hear-bearing tissue with 1-4 hairs), when removed, are very prone to damage and need to be protected from any external trauma.

Initially, the doctors in the West were sceptical about the advantages of using the Choi pen. This was because an earlier version of this tool had been designed specifically for the Asian hair, which is thicker, stronger and more supple than the Western hair. Also, curls are very rare on Asian heads.

Gladly, the design of a newer version of this tool has been adapted to a finer hair structure. There are some models of a Choi pen implanter manufactured specifically for the European market.

What is the DHI hair transplant ?


Firstly the use of the Choi pen is perfect for performing hair transplants with the DHI method (Direct Hair Implantation). Which makes this technique a more refined version of its FUE (Follicular Unit Extraction) counterpart.

For example in the standard FUE, the surgeon first needs to make tiny incisions in the donor area that will be then populated with the grafts. On the countrary, this is unnecessary with the DHI hair transplant. Here the grafts are placed into the hollow needle and immediately inserted in the donor area. Moreover the opening of channels and the implantation of the grafts are performed simultaneously.

All in all, in this type of surgery, two specialists work hand in hand. One removes the grafts while the other implants the grafts. Normally, 2 to 6 choi pens are used during one session.

Pros and cons of the DHI method


  • DHI is best suited for those patients who do not want to shave their hair completely. It is, thus, the most popular method for female hair transplants
  • Moreover, a higher hair density can be achieved here due to a higher level of precision that the use of the Choi pen allows for
  • Additionally, this means that the chances that the implanted hair will ‘push out’ the existing hair are reduced
  • In DHI, the grafts are stored outside of the body for a shorter time, meaning that their survival rate is higher
  • Besides, it is a safer technique that puts less strain on the scalp and results in less scarring
  • You can also expect less bleeding and shorter downtime

In the end, DHI can ensure the most natural-looking results. This is due to the fact that it offers full control over the depth and the angle with which the grafts are being inserted into the donor area.

However, the DHI session takes longer than the standard FUE procedure. The doctor can transplant a maximum of 2000-3000 per session, so two surgeries may be needed to achieve the desired hair density (depending on how severe hair loss is). Also, DHI is not the best choice for patients with very curly hair.

Takeaway : the Choi pen implanter is the ideal tool for the DHI hair transplant


The Choi pen is one of the advancements of hair transplantation that was invented in Asia yet in 1992. Now, it is being adopted on a bigger scale in Western practice. The Choi pen is used during hair transplantation with the DHI technique, the method that has been gaining popularity too due to its manifold benefits.

That is, the use of the Choi pen implanter during transplantation allows for a higher hair density and a higher survival rate of the harvested grafts. The patients can also expect a shorter recovery time compared to other surgical techniques.

However, in the end, the use of this tool does not make it easier for the doctor to perform hair transplant surgery. On the contrary, it requires a higher level of expertise and an artistic eye of the specialist for the procedure to be successful.

Do you have more questions on the DHI hair transplant or are you suffering from hair loss issues ? Then feel free to to contact our friendly team that will answer all your queries. Furthermore they can also offer a free and non binding hair analysis. So don’t hesitate if you want to benefit from Dr. Balwi and Elithairtransplant’s expertise for a successful and affordable hair transplant in Turkey !

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