Tool Design Matters: Lessons From a Study of Afro-Textured Hair and FUE

Follicles are not all the same shape. In tightly curled hair, the follicle curves beneath the skin, which makes it harder to extract cleanly with a straight punch. A study published in 2016 explored how tool design affects results in this setting, and it offers useful lessons for patients seeking care at a Hair Transplant Clinic.

The study

The comparative study evaluated a novel extraction tool in 18 patients with Afro-textured hair. It reported that a curved, non-rotary, two-pronged punch typically achieved transection below 5 percent, whereas sharp or dull rotary punches failed or produced excessive transection in eight of the patients (PRS Global Open, 2016). This is a small study and should not be read as a universal result, but it highlights how technique and tool selection can matter.

Why curl changes things

When a follicle curves beneath the skin, a straight punch that follows the visible angle of the hair on the surface may cut across the follicle below. This leads to transection and reduces the number of usable grafts. A review of FUE notes that harvesting is effectively blind and that transection can be higher than with strip surgery (FUE: Curves Ahead). The problem is more pronounced when the path of the follicle is hard to predict.

What a low transection target means

The review of FUE uses cites a target below 5 percent for some applications (FUE – One Procedure, Many Uses). Achieving it in curly hair may require specialized tools or adjustments in technique. Some surgeons test a small area first to see how the follicles behave before committing to a full extraction.

What to ask

Patients with tightly curled hair should ask directly: How many patients with my hair type have you treated? What tools do you use for curved follicles? How do you measure transection, and can I see your results? Do you perform a test extraction first? A surgeon who is experienced will have specific answers, not general reassurance.

The role of the surgeon

A review of FUE systems emphasizes that manual, motorized, and robotic systems each have strengths and weaknesses and that outcomes still depend on surgeon skill and patient factors (PMC11980712). A new tool in untrained hands is no guarantee of a good result. Experience with your hair type remains central.

Scarring considerations

People with darker skin and tightly curled hair should also ask about scarring patterns, including keloid or hypertrophic scar tendency, which is a matter for individual assessment. Mention any history of abnormal scarring during the consultation so your surgeon can plan for it.

Pictures that help

Request photographs of patients with similar hair texture at one year or later, showing both recipient and donor areas. If the clinic cannot show relevant examples, consider that a signal to look elsewhere.

Patients should also keep in mind that the study described was small and focused on a particular tool. It does not mean that every curved-punch system performs the same way, nor that other tools cannot work in experienced hands. What it does show is that this issue is real and that experience matters. When you meet a surgeon, ask for examples and, if possible, speak with past patients who have similar hair so you can hear about their experience directly.

Frequently Asked Questions

Can people with curly hair have FUE?

Yes, but technique and tool choice are important, and experience with the hair type matters.

Does one study prove a tool is best?

No. It was small and should be read as a signal, not proof.

Should I have a test extraction?

Ask your surgeon whether it makes sense for you.

Choose Hair Transplant Clinics that can demonstrate experience with your hair, not just general expertise.