Medically reviewed by Dr Mahmut Satekin, Medical Aesthetics Physician, Hair of Istanbul. Last reviewed: August 2026. Content checked against ISHRS guidance and peer-reviewed hair restoration literature.
The FUE technique is a hair transplant method in which follicular units are excised individually from the safe donor zone with a micro punch, then placed into thinning or bald areas. No strip of skin is removed and no line of stitches is needed, so there is no linear scar.
Hair does not grow as isolated strands. It grows in natural clusters of one to four hairs called follicular units, together with their sebaceous glands and erector muscle. FUE removes those units intact, which is why the result can look like hair that was always there.
The term is follicular unit excision rather than “extraction”. The change in wording, adopted by the International Society of Hair Restoration Surgery, reflects what the procedure actually is: a cut-and-remove step, not a simple pull.
One honest qualification: FUE is not scar-free. It leaves pinpoint dot marks in the donor area, roughly the diameter of the punch used. In most people these are difficult to see with the naked eye once the hair grows back, but they exist, and they matter if you intend to wear your hair very short.
At a glance
The FUE technique — follicular unit excision — removes hair follicles one at a time from the safe donor zone at the back and sides of the head, using micro punches of 0.7–1.0 mm, and places them into thinning or bald areas. It leaves no linear scar. A standard session at Hair of Istanbul transfers 3,000–5,000 grafts over 6–8 hours under local anaesthesia, and the final result is judged at 12–18 months.
6–8 hours, single day
3,000–5,000 grafts
3–5 days
12–18 months
All modern techniques remove follicles the same way. What differs is how the recipient sites are opened and how grafts are placed. The choice is driven by your donor characteristics, the area being treated and the density target — not by price.
Most plans combine methods — for example DHI along the hairline for detail and Sapphire FUE behind it for volume. Read more on how DHI compares.
How sites are made: Micro punch harvest, steel blade incisions
Best suited to: Large sessions, broad coverage
Consider: The established baseline technique
How sites are made: Sapphire-tipped blades, finer channels
Best suited to: Dense packing, reduced channel trauma
Consider: Site geometry is highly controllable
How sites are made: Implanter pen; site and placement in one motion
Best suited to: Hairline detail, unshaven work, eyebrows
Consider: Slower, so session sizes are smaller
How sites are made: Pre-made slits, manual placement
Best suited to: Angle and direction control on the crown
Consider: Often combined with FUE
How sites are made: Strip harvest, sutured closure
Best suited to: Rarely indicated today
Consider: Leaves a linear donor scar
Suitability is decided by measurement, not by photographs alone. Before any FUE procedure at Hair of Istanbul, a pre-operative follicle analysis is carried out using densitometry and trichoscopy. It records:
Donor density in adults usually falls between 60 and 100 FU/cm², but it varies considerably between individuals. These measurements answer three questions with figures rather than estimates: how many grafts can safely be harvested, what density will be implanted and where, and how the donor area will be preserved for any future session.
The safe donor zone is mapped to stay outside regions that are themselves susceptible to androgenetic loss — particularly the lower nape and the upper lateral areas. Harvesting outside that boundary can look acceptable at six months and visibly thin at three years.
The aim is not to reproduce your original density hair for hair. It is to reach the optical fullness threshold — the point at which the scalp reads as covered. For most people that threshold is reached at roughly half the original density, because hair shafts overlap and shadow the skin beneath. Understanding this is what separates a satisfied patient from a disappointed one.
When we advise against FUE
A clinic that accepts every enquiry is not assessing anyone. These are the situations in which we postpone the procedure or advise against it:
If you are not a suitable candidate, we will tell you so before you book travel, not after.
Every patient is screened before a surgical date is confirmed. This is a clinical requirement, not an optional extra, and it is the step most often skipped elsewhere.
Where screening identifies a contraindication, the procedure is postponed or advised against.
Several findings change the protocol rather than cancelling it. Anticoagulant or antiplatelet use, diabetes, hypertension, a history of keloid formation, and heavy smoking each alter how the day is planned — bleeding management, adrenaline dosing, session length and healing expectations are adjusted accordingly. Anticoagulant management is agreed between cardiology and anaesthesiology before your date is confirmed; you should never stop a prescribed medication on your own initiative.
Standard-angle photographs are recorded before the procedure, and the informed consent process is completed with enough time to ask questions in your own language.
What it checks: Full blood count, clotting profile, infectious screen, ferritin, thyroid function
Reviewed by: Medical review
What it checks: Cardiac rhythm and conduction
Reviewed by: Cardiology
What it checks: Allergies, medication interactions, anticoagulant management
Reviewed by: Anaesthesiology
What it checks: Donor density, hair calibre, scalp condition, miniaturisation
Reviewed by: Surgical planning
What it checks: Facial proportions, age-appropriate placement, long-term balance
Reviewed by: Surgical planning
Planning begins with the Norwood classification, hair shaft thickness and wave pattern, hair-to-skin colour contrast, and the distribution of miniaturisation.
Densitometric readings are taken from at least three points along the occipital, mastoid and temporal lines. FU/cm² and average hairs per FU are recorded and documented photographically. The recipient area is then measured in square centimetres and a target density map is drawn for each sub-region.
The arithmetic is shared with you openly:
Worked example.
An area of 80 cm² to cover, at a target of 35 FU/cm²:
80 cm² × 35 FU/cm² = 2,800 follicular units
At an average of 2 hairs per unit, that is approximately 5,600 hairs transferred.
The figure is then checked against what your donor area can give up without visible thinning. Where the two disagree, the donor limit governs — always. If the numbers do not support the coverage you want in one session, we say so and plan in stages instead.
These are the ranges followed at Hair of Istanbul. They protect the outcome and the donor area at the same time.
| Donor profile | Safe single-pass harvest | Residual density to preserve |
|---|---|---|
| Thin shaft or limited donor capacity | 10–15 FU/cm² | ≥ 45 FU/cm² |
| Average donor (65–80 FU/cm² baseline) | 15–20 FU/cm² | ≥ 40–50 FU/cm² |
| Thick shaft with favourable tissue | 20–25 FU/cm², selected cases | ≥ 40 FU/cm² |
| Zone | Target density | Graft type | Angle |
|---|---|---|---|
| Frontal hairline, first 1–2 cm | 30–40 FU/cm² | Single-hair units only | 10–15° |
| Frontal zone behind the hairline | 35–45 FU/cm² | Double and triple units | 20–30° |
| Mid-scalp | 30–35 FU/cm² | Double and triple units | 30–40° |
| Crown / vertex | 25–35 FU/cm² | Mixed, whorl-oriented | Follows the natural whorl axis |
| Dense packing, selected beds only | 45–55 FU/cm² | Mixed | Zone-dependent |
Where the zone target and the donor limit disagree, the lower figure governs. Dense packing above 45 FU/cm² is used only where vascularisation, shaft thickness and tissue conditions are assessed as suitable and monitored throughout.
At an average of 2.0–2.3 hairs per follicular unit, a target of 35 FU/cm² delivers roughly 70–80 hairs per cm². The actual hairs-per-unit figure is measured for each patient rather than assumed — it is one of the largest sources of error in graft estimates given over the internet.
The punch is advanced parallel to the hair exit angle, with a depth guard controlling penetration. The sequence is scoring → dissection → extraction. Manual and motorised systems are both used; sharp punches, dull punches and blunt-tip systems each shift the balance between transection risk and buried grafts.
The 0.8–1.0 mm band is the most commonly used range in current practice, and 0.9 mm is a typical starting point for scalp hair. Transection rates tend to fall as diameter increases, but wound size and vascular trauma rise with it. Selection therefore weighs three things together: hair shaft thickness and curl pattern, skin elasticity and scalp tissue characteristics, and the measured transection performance with that punch on that scalp.
Transection — follicles damaged during removal — is counted live during the procedure rather than estimated afterwards. The working target is below 5%, and always below 10%, reviewed every 30 minutes during the donor phase. A rising rate triggers a change in punch, angle or depth, not a decision to press on.
Harvesting is distributed in a mosaic pattern across the donor zone rather than taken row by row or band by band. Consecutive harvesting from the same row is the single most common preventable error we see in revision cases arriving from other clinics — it produces visible striping that no later procedure can fully correct.
Why depth matters more than it sounds.
Advancing the punch deeper than necessary raises dermal temperature and triggers ischaemia–reperfusion stress in the follicle. A 0.1 mm difference in depth can be the difference between an intact graft and a damaged one.
Graft survival is decided largely in the interval between removal and placement. Three principles, in order of importance: keep the time out of the body short, keep grafts continuously moist, and hold the correct temperature–solution balance.
Dehydration can reduce viability within tens of minutes, so grafts on the working surface are misted with saline, gauze is refreshed frequently, and grafts are never left exposed. At Hair of Istanbul every graft is collected individually as it is harvested and held in isotonic saline on cooled benches until it is placed. A multiple-dish rotation keeps one tray in the field while the others remain cold, and grafts are brought forward in small bundles.
The aim is a stable 2–8 °C in the graft tray. This requires a lidded insulated container, a temperature probe or data logger, two rotating sets of gel packs, a supply of preservation solution, and a rack that prevents direct ice contact with the graft container.
Temperature is recorded every 15–30 minutes. Above 8 °C the gel pack is replaced; below 1–2 °C ice contact is reduced to avoid freezing injury. Under typical room conditions a change every two to three hours is usually enough — but the decision is made on the measured temperature, not on the clock, because lid-opening frequency and ambient temperature vary from day to day.
The recipient sites determine what the result looks like. The follicles are the same either way; the angle, direction and distribution of the incisions are what make hair read as natural or as a transplant.
Native hair leaves the scalp at a specific angle that changes by zone: most acute at the frontal hairline at 10–15°, rising to 30–40° through the mid-scalp, and following the whorl axis at the vertex. Each site is opened to match. More acute angles allow shallower penetration for the same channel length, which helps protect the deep vascular plexus.
Coronal slit orientation and semi-conical blade profiles reduce tissue injury and lower the risk of popping — grafts lifting out of their bed after placement. The slit is planned about 0.1–0.2 mm narrower than the graft and left slightly shorter than the graft length, so the follicle seats firmly rather than sitting proud or sinking.
Single-hair units are used across the first one to two centimetres of the hairline; nothing else produces a soft, irregular leading edge. Double and triple units go behind them, where they create the impression of density. Micro-irregularity and macro-irregularity are built into the line deliberately — a perfectly even hairline is the clearest sign of a poorly designed one. Units are sorted into singles, doubles, triples and quadruples as they are prepared, and the calibre of the hair shafts in each unit is taken into account alongside its hair count when deciding where it is placed.
Grafts are handled by the surrounding tissue, never by the bulb, and the field is kept continuously moist with a saline mist. Placement is either into pre-made slits with fine forceps, or with an implanter pen where the target density and tissue conditions favour it. Slit creation and placement proceed on a fresh-slit, fresh-graft cycle rather than opening the whole field at once, which shortens the time any individual site stays open.
An FUE procedure is performed under local anaesthesia. You are awake throughout, and no general anaesthesia is required for a standard session.
Local anaesthetic is administered and your vital signs are monitored continuously by a specialist anaesthesiologist who is present for the whole procedure. Tumescent infiltration follows: it provides comfort, reduces bleeding and raises tissue turgor, which makes harvesting cleaner. Tumescent pressure is kept to what is needed and no more, adrenaline-containing solutions are dosed carefully, and tissue ischaemia times are tracked.
Anxiety is managed without over-sedation. In patients prone to pain or vasovagal responses, positioning, warming, oral fluids and short scheduled breaks are planned in advance rather than improvised on the day. You will feel the anaesthetic injections; after that, pressure and movement rather than pain.
The chain is straightforward and non-negotiable: full instrument sterilisation, lot tracking of single-use consumables, surgical drapes changed between stages, and instrument and consumable counts before and after the procedure. Operating areas are cleaned and disinfected to Republic of Türkiye Ministry of Health protocols, and records are kept audit-ready.
Hair of Istanbul operates under Ministry of Health authorisation. Licensing is verifiable — it is not a badge on a website.
Outcomes are measured rather than assumed. The following are recorded for every case:
"The parameters on this page are not marketing figures. They are the numbers we record during your procedure and check against your photographs at months six and twelve. That is the only way a clinic can know its results rather than believe in them."
— Dr Mahmut Satekin, Medical Aesthetics Physician, Hair of Istanbul
Target: Below 5%, always below 10%
Recorded: Every 30 minutes, donor phase
Target: 2–8 °C
Recorded: Every 15–30 minutes
Target: Under 2–3 hours
Recorded: Per bundle
Target: Measured, not assumed
Recorded: Counted by lot
Target: Standard angles
Recorded: Day 0, months 3, 6, 12
Target: —
Recorded: Months 6 and 12
At the close of every procedure the total graft and hair counts, the average hairs per unit, average time out of body and any complication notes are entered into the medical record. Post-operative instructions are given verbally and in writing in your own language.
Every surgical procedure carries risk. With FUE the recognised risks are swelling, bleeding, infection, folliculitis, temporary numbness, poor graft survival and donor thinning. Most are transient; donor thinning is not.
| Risk | Typical course | How it is reduced |
|---|---|---|
| Forehead swelling | Days 2–5, resolves without treatment | Head elevation, controlled tumescent volume, cold compress to the forehead only |
| Bleeding | Minor, during the procedure | Careful adrenaline dosing, anticoagulant review before the date is set |
| Folliculitis | Weeks 4–12, usually self-limiting | Washing protocol, early review of any persistent pustule |
| Infection | Uncommon | Sterile chain, single-use consumables, aftercare compliance |
| Temporary numbness | Weeks to a few months | Depth control during harvesting |
| Poor graft survival | Judged at 12 months | Short time out of body, continuous moisture, temperature control, transection monitoring |
| Donor thinning | Permanent if it occurs | Mosaic distribution, safe-zone boundaries, harvest limits by donor profile |
Two points are worth stating plainly. First, no clinic can promise a specific density or a fixed survival figure — biology varies between patients, and anyone who does promise one is selling rather than assessing. Second, hair loss continues after a transplant. A result that looks correct at twelve months can look unbalanced at five years if the native hair around it was not considered in the plan. That is why age-appropriate design and long-term donor preservation matter more than the graft number.
In the first 24 hours the recipient area is kept lightly moist and free of trauma. Cold compresses are applied to the forehead only, never to the grafts, in 10–15 minute applications separated by 45–60 minute intervals. Full day-by-day instructions are in our aftercare guide.
Donor area dressed. Medication issued. Aftercare explained in your own language.
Return to the clinic. Dressing renewed, donor and recipient areas examined.
First wash carried out at the clinic. Forehead swelling is common and settles. Sleep on your back, head elevated.
Crusting forms and clears gradually with the prescribed washing routine. Redness begins to fade.
Controlled crust removal completed. Most patients return to routine activity; light exercise can usually resume.
Transplanted hairs shed. This is expected and is not a sign of failure — the roots remain.
Timelines vary between patients. Where a second session is being considered, we ask for a full 12 months before assessing.
Transplanted hairs shed. Normal and expected.
New growth begins. Early hair is fine and may look uneven.
Density becomes clearly visible. Roughly 60–70% of the final appearance.
The result you should judge. Shafts have thickened and matured.
Final refinement, particularly in the crown and in curly hair types.
A transplant relocates hair; it does not stop hair loss. In suitable patients, long-term medical therapy such as finasteride or topical minoxidil is considered to preserve the native hair around and behind the transplanted area. Whether either is appropriate for you — and whether the known side effect profile is acceptable in your case — is a clinical decision made at consultation, not a default recommendation.
The alternative is predictable: transplanted hair holds while surrounding native hair continues to thin, and the result begins to look disconnected within a few years.
An FUE hair transplant at Hair of Istanbul costs between €3,500 and €5,000 as an all-inclusive package. Pricing is set by graft count, not by technique — there is no surcharge for DHI, Sapphire or SLIT.
| Graft range | Package | Typical Norwood stage |
|---|---|---|
| Up to 1,500 grafts | €3,500 | I – II |
| 1,500 – 2,500 grafts | €4,000 | II – III |
| 2,500 – 3,500 grafts | €4,500 | IV – V |
| 3,500 – 4,500 grafts | €5,000 | V – VI |
All-inclusive: pre-operative blood tests, ECG and medical review; the procedure using DHI, Sapphire or SLIT as clinically appropriate; medication, one PRP session and aftercare products; accommodation; airport and clinic transfers; first wash, aftercare briefing and follow-up. See the full 2026 price list.
A standard session of 3,000–5,000 grafts takes 6–8 hours in one day. The donor phase typically runs 2–3 hours, graft sorting about an hour, and recipient preparation and placement 3–4 hours. Cases above 5,000 grafts may be split across two consecutive days.
For an average donor, 15–20 FU/cm² can be harvested safely in a single pass while preserving at least 40–50 FU/cm² of residual density. On the recipient side, 30–40 FU/cm² suits most cases; 45–55 FU/cm² is reserved for selected beds where vascularisation and tissue conditions allow. At 2 hairs per unit, 35 FU/cm² equates to roughly 70 hairs per cm².
The anaesthetic injections are felt. After that, most patients describe pressure and movement rather than pain. Local anaesthesia is administered and monitored by a specialist anaesthesiologist throughout the procedure, and top-up doses are given as the session progresses.
Not a linear scar. It leaves pinpoint dot marks in the donor area, approximately the diameter of the punch used. In most people these are difficult to see once hair regrows, but they are permanent and become more apparent if the hair is clipped very short.
For short waits under an hour the difference between room temperature and cold storage is limited. For longer waits, approximately 4 °C is the target, with 2–8 °C as the practical working band. The governing rules are continuous moisture and the shortest possible time out of the body.
Below 5% is the working target and below 10% the limit. It is counted live during the donor phase and reviewed every 30 minutes. A rising rate is a signal to change punch diameter, angle or depth.
Transplanted hairs shed at weeks 2–4, which is normal. New growth begins at months 3–4, density becomes clearly visible at months 6–8, and the result you should judge is at 12 months. Curly hair and crown work can take up to 18 months to settle.
It depends on the area to be covered and what your donor area can safely supply. Most patients with a receding hairline and mid-scalp thinning fall between 2,500 and 3,500 grafts. The figure is calculated from measured area and target density, then checked against donor capacity — the lower of the two governs.
Yes, with appropriate indication. Female hair loss is more often diffuse than patterned, so candidate assessment is more nuanced and the underlying cause must be identified first. An unshaven or partially shaved approach can be planned where visible donor trimming is not acceptable. See our women’s hair transplant page.
Both remove follicles the same way. FUE places grafts with fine forceps into pre-made slits; DHI uses an implanter pen that creates the site and places the graft in one motion. DHI offers advantages in hairline detail and unshaven work, but sessions are slower and therefore smaller. Most plans combine the two.
Only the blade used to open the recipient sites. Sapphire-tipped blades produce finer, more uniform channels than steel, which helps when packing density. The harvesting method is identical, and there is no price difference at Hair of Istanbul.
Often, yes — depending on remaining donor capacity, the extent of scarring and how the original grafts were placed. Revision work is more complex than a first procedure and is assessed individually. We ask for a full 12 months after the previous procedure before assessing. See revision hair transplant.
Follicles taken from the safe donor zone retain their resistance to the hormonal process that causes pattern loss, so transplanted hair is generally permanent. Native hair around it continues to thin, however, which is why long-term planning and, where appropriate, medical therapy matter.
Partially. Unshaven and partially shaved approaches are possible for smaller sessions and are used routinely for female patients. For large sessions of 3,000 grafts or more, shaving the donor area is generally necessary for accurate angle and depth control.
Most patients stay three days in Istanbul: screening and planning on day one, the procedure on day two, first wash and aftercare briefing on day three. Flying on day three is routine. Where you travel on day two, the washing technique is demonstrated in person and written instructions are provided.
The procedure is postponed, or advised against. Depending on the finding you may be asked to see your own physician first, or the protocol may simply be adjusted — anticoagulant management, for example, changes the plan rather than cancelling it.
At Hair of Istanbul an FUE hair transplant costs between €3,500 and €5,000 as an all-inclusive package. Pricing is set by graft count, not by technique, so there is no surcharge for DHI, Sapphire or SLIT: €3,500 for up to 1,500 grafts, €4,000 for 1,500–2,500, €4,500 for 2,500–3,500 and €5,000 for 3,500–4,500 grafts; above 4,500 grafts the plan follows a free assessment.
Medically reviewed by Dr Mahmut Satekin, Medical Aesthetics Physician at Hair of Istanbul. Last reviewed August 2026. This page is general information about a medical procedure and does not replace individual assessment. Suitability, technique and expected outcome are determined after examination.
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