DHI Hair Transplant

The DHI Method – What is it?

The DHI method, also known as “Direct Hair Transplant” serves as an alternative to the FUE method, this approach involves a team of trained specialists operating the “Choi Implanter Pen” to implant the grafts into the recipient area. Originating from South Korea, the pen is a light, convenient device that is able to holster the graft in place and inject it into the scalp with all-out accuracy. Think of it as a normal pen, but it dispenses hair instead of ink! I know – the metaphor is more than unpleasant to think about, but hear me out – the reason why this particular method is oftentimes preferred over FUE is due to its rather streamlined though nonetheless efficient nature. Moreover, the method eliminates the requirement for a channel opening session as it is done simultaneously with the planting which results in less edema.



Just like the FUE method, the grafts are extracted via micro-motor punches delivered one by one by a device. After being extracted from the donor region, the grafts are ready for plantation.


The implanter pens are adjusted appropriately to the patient’s specifications. After the follicles are extracted from the donor site, they are fitted into the Choi Pens situated at the very tip for transplantation. The surgeons take turns in using the pens and inserting them into the recepient area. In order to achieve natural results, the follicles are planted into the scalp at a corresponding and precise angle. During the operation, technicians make use of an average of 4 to 5 pens to ensure the fluidity of the process. During the channel opening process which is also when the grafts are being planted, patients may expect a significantly lower amount of inflammation.

In the ever-developing technological frontier of hair transplantation, the DHI method seems to be advancing to the spotlight especially for hairline restorations. More and more patients are flocking to the side of the Choi Pen. Of course, with DHI, shaving your head is no longer mandatory. This is a highly sought out luxury as some patients may feel a certain discomfort with the look of their implanted hair after the operation. We can combine this factor with other conveniences, such as a shorter waiting process during the healing stage of the operational area. After having a DHI hair transplant, you can expect to return to business as usual in approximately 10 days.

“Should I have a DHI operation?”

It’s crucial to expand upon this note. The specific details mentioned above and the advantages that come with them will not always end up with the exact same result. The reason why hair transplants can be dynamic in nature is because the operational areas and the patients that they belong to are ‘different’ to one another. As such, the clear-cut outcome of the procedure has a significant sum of reliance on the patient – though we can take evidence over the last few years as a culprit that DHI operations, due to the rightfully adequate efficiency of the specialists that have mastered the Choi Pen, owing much to the pen’s delicate framework, tend to be generally less taxing on the patient, yielding a quicker and less agonizing post-op recovery.

But is DHI unequivocally superior to FUE with no drawbacks? That is up for debate. An arbitrary, unbiased answer to this question is rather easy to settle on. It would be logical to grade the two methods on two separate platforms instead of comparing them so closely. 

There are patients that would benefit more from DHI – and there are instances where a patient would respectably fare better by choosing to have an FUE operation. The DHI technique is a more capital choice when treating smaller areas that require higher graft frequency. The Choi Pen can fill out a definite area with higher graft quantity than the FUE method, albeit for procedures that call for exceptionally high graft numbers and a larger field of operation on the scalp, the DHI is not as preferred.

Furthermore, the structure of the follicles is important to consider going into the operation as the measurement of the pens must correlate with the shape and length of the grafts (straight, thick, thin, curly, wavy etc.)

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