FUE (Follicular Unit Extraction) removes individual follicles, leaving minimal scarring; FUT (Follicular Unit Transplantation) removes a strip of scalp for higher graft yield in one session but leaves a linear scar; and DHI (Direct Hair Implantation) extracts and implants grafts in one motion using a specialised tool. FUE and DHI are more common today for their minimal scarring and faster recovery; FUT is still used when very high graft counts are needed in a single session.
Comparison table
Factor | FUE | FUT | DHI |
Extraction method: Individual follicle punches | Strip of scalp removed, then dissected into grafts | Individual follicle punches
Scarring: Minimal, dot-like scars (not visible with short hair) | Linear scar along donor strip | Minimal, dot-like scars
Recovery time: Faster, less downtime | Longer, stitches/staples to remove | Faster, similar to FUE
Graft yield per session: Moderate–high | Highest in a single session | Moderate
Implantation: Slit made, then graft placed | Slit made, then graft placed | Direct implantation without separate slit step
Pain/discomfort: Low, local anaesthesia | Moderate, due to strip removal | Low, local anaesthesia
Best for: Most patients, especially those who wear hair short | Patients needing very large graft counts in one sitting | Patients prioritising precision in angle/direction control
Session duration: 6–8 hours (up to 2 days for 4,000+ grafts) | Typically a single longer session | 6–8 hours
FUE: the most widely used technique today
FUE involves extracting hair follicles one at a time from the donor area, typically the back and sides of the scalp, using a small circular punch tool, then implanting them into the recipient area. Because there’s no strip removal, healing is faster, and scarring is limited to tiny dot marks that are virtually invisible once hair grows back to a few millimetres in length.
FUT: higher yield, more visible recovery
FUT removes a strip of scalp containing hundreds of follicular units, which are then divided under microscopes into individual grafts for implantation. This allows a higher graft count in a single sitting, which can matter for patients with advanced baldness needing maximum coverage, but it leaves a linear scar and requires a longer recovery period before returning to strenuous activity.
DHI: precision-focused implantation
DHI uses an implanter tool (often called a Choi pen) to extract and place each graft in a single motion, which can allow tighter control over the angle, direction, and depth of implantation. It shares FUE’s minimal-scarring profile but differs in the specific tool and technique used at the implantation stage.
Which one should you choose?
– Want minimal downtime and are comfortable wearing hair short during recovery: FUE is the standard recommendation for most patients today.
– Need very high graft counts in a single sitting and don’t mind a linear scar: FUT may still be discussed as an option, though it’s less commonly requested now.
– Prioritising precise hairline design and angle control: DHI is worth discussing with your surgeon.
The right technique depends on your Norwood grade, donor area density, and lifestyle; a consultation is the only way to get a personalised recommendation.
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FAQs
Which technique leaves the least visible scar?
FUE and DHI both leave minimal, dot-like scarring that’s typically not visible once hair regrows to a few millimetres. FUT leaves a linear scar along the donor strip.
Is FUT outdated?
Not outdated, but less commonly chosen today because FUE and DHI offer comparable results with faster recovery and less visible scarring for most graft-count patients typically need.
Can I combine techniques across multiple sessions?
Yes, some patients use different techniques across sessions based on donor area availability; this should be planned with your surgeon in advance.