A branch line · checked Sep 22, 2026
FUE vs FUT vs DHI, and the names that aren't techniques
FUE and FUT are the two ways a surgeon harvests grafts. DHI is not a third method; it describes how grafts are placed. Here is what each term means, what each harvest leaves behind, and how to tell a technique from a brand name.
FUE vs FUT is a real choice between two ways of harvesting grafts; DHI is not part of that choice, because it describes a placement step rather than a harvest. Get that distinction straight and most clinic brochures become much easier to read.
Every hair transplant has two halves. Grafts come out of the donor area, then go into the recipient area. FUE and FUT are the two recognised answers to the first half. Implanter pens, forceps, "channel" incisions and the other tools marketed under names like DHI are answers to the second half, and several can be combined with either harvest.
The short answer
For most people the decision is FUE or FUT, and the deciding factors are how you wear your hair, how much donor hair you have, and your surgeon's judgement about the number of grafts needed. DHI, Sapphire and similar labels should be read as descriptions of instruments, not as separate operations.
| Question | FUE | FUT (strip) | "DHI" |
|---|---|---|---|
| What is it? | A harvest method: units punched out one by one | A harvest method: a strip removed and divided | A placement description, usually with an implanter pen |
| Donor scar | Scattered dot scars | One linear scar | Whatever the harvest leaves |
| Donor shaving | Usually shaved | Not needed | Depends on the harvest |
| Mean grafts in a typical case (census) | 2,262 | 2,100 | Not reported separately |
| ISHRS view | Accepted method | Accepted method | "Not a hair transplant method" |
How FUE works, and what it leaves
FUE harvests each follicular unit individually with a small circular punch, typically 0.7 to 1.2 mm across according to the ISHRS. The punch scores the skin around the unit, which is then eased out and kept for placement.
Because the extractions are spread across the donor zone, there is no single line to hide. That suits people who keep their hair very short at the back. The ISHRS is careful to say FUE is still not scarless: every extraction heals as a small pale dot, and taking too many from one area can leave the back looking thin. The society lists over-harvesting, scalp cysts and mild infections among FUE's risks, and it says the procedure must be physician-driven and performed.
Two practical points follow. The donor area is usually shaved, so the back of the head looks different for a couple of weeks. And extraction is slow, careful work, which is why sessions are long.
How FUT works, and what it leaves
FUT takes a strip of scalp from the back of the head, which the ISHRS describes as 0.5 to 1.5 cm wide and 5 to 30 cm long, then closes the wound with stitches or staples. The strip is cut into thin slivers and then into individual grafts of one to four hairs.
The result is a single linear scar. Many surgeons use a trichophytic closure, trimming a millimetre of the wound edge so hair can grow through the scar and help hide it. Because nothing is shaved, the donor area stays covered by the hair above it during recovery.
According to the ISHRS, strip harvesting can suit people who wear their hair longer, older patients, and people with advanced loss and a narrow donor band, where gathering many grafts from a limited area matters. It can cause more discomfort than FUE for some patients, usually managed with pain medication after surgery.
What "DHI" actually means
DHI stands for direct hair implantation, and the ISHRS says it "is not a hair transplant method and should not be marketed as such." The term is used for two different things: implanting each graft immediately after extraction, or placing grafts with a sharp implanter pen.
An implanter is a hollow instrument. The graft sits in a channel and a plunger pushes it into the skin. With a dull implanter, the surgeon makes the incisions first and the pen places grafts into them; with a sharp implanter, the pen makes the incision and places the graft in one movement. Other surgeons place grafts with fine forceps. All of these are placement choices within an FUE procedure, and a clinic advertising "DHI" is still harvesting by FUE.
Schematic, not to scale. Descriptions from the ISHRS surgical-treatments page.
Placement technique does matter. The angle, direction and depth of each incision shape how natural a hairline looks. But the instrument is only as good as the hands and the plan behind it, and it is worth asking who makes the incisions rather than which pen is used.
Sapphire, Ice, Gold: reading the brand names
Clinic marketing is full of technique names that sound like new procedures. The ISHRS lists Ice FUE, Sapphire FUE, Gold FUE, hybrid FUE, micro FUE, nano FUE, modified FUE and "needle-free FUE" among terms it does not recognise.
Some of these describe a real instrument choice, such as a blade material used to make recipient incisions. None changes the basic operation. When a clinic leads with a trademark-style name, ask three plain questions: which harvest method is used, who performs each step, and how many grafts are planned. The answers tell you more than the name.
What the surgeons themselves choose
Among ISHRS members, FUE dominates. The society's 2025 practice census, based on 247 responses from physician members, found that members' procedures on men were mostly FUE, with strip harvesting a minority and a small share combining both in one session. On women the strip share was larger.
The same census gives an idea of scale: members reported a mean of 2,262 grafts in a typical FUE case and 2,100 in a typical FUT case. Those are averages across many practices and patients, not a target for yours. The number you need depends on the area to be covered and the density your donor zone can spare, which is the subject of our guide to how many grafts you need.
Which is right for you?
The right technique is the one a qualified surgeon recommends after examining your donor area and discussing how you wear your hair. Neither method is better in every case.
FUE tends to suit people who keep the back and sides very short, who want to avoid a linear scar, or who may need grafts from beard or body hair. FUT tends to suit people who wear their hair longer, who have a tight donor band, or whose surgeon wants to gather a large number of grafts efficiently. A small share of procedures in the ISHRS census combined the two in a single session.
Whatever the method, the fundamentals don't change: a donor supply that is finite, grafts that shed and regrow over months, and a need to plan for hair loss that may continue. Our main guide to what a hair transplant involves covers candidacy, the day itself and the risks.
Questions to ask a clinic about technique
- Which harvest method will you use for me, FUE or strip, and why?
- If you mention DHI or another named technique, what does it mean in terms of instruments?
- Who performs the extraction, who makes the recipient incisions, and who places the grafts?
- How many grafts will you take, and what will my donor area look like afterwards?
- What will the scar look like if I cut my hair short in future?
Asking these costs nothing. A board-certified dermatologist or GP can also confirm the diagnosis before any consultation about technique, and the ISHRS Find a Doctor directory lists member surgeons; neither pays us anything.