Bruising after a hair transplant: causes, healing time and warning signs

Why does a hair transplant cause bruising?

The procedure starts with local anaesthesia, which involves infiltrating the scalp with a tumescent solution: an anaesthetic fluid containing a low concentration of adrenaline, which constricts the vessels and limits bleeding during surgery (Romera de Blas et al., 2026). Over the following days, gravity draws this fluid down towards the forehead and eyelids. Our article on hair transplant anaesthesia explains which medicines are used and how the injections are given.

The surgical steps come next. In FUE, each follicular unit is cut free with a micro-punch and lifted out of the donor area, whose hair is resistant to balding; this tissue has a rich blood supply, and the step is repeated for every graft harvested. The grafts are then placed in as many tiny incisions, made with a blade or directly with the implanter pen in DHI. It is mostly capillaries that give way, so blood spreads under the skin without collecting in a pocket, leaving diffuse marks that gravity in turn carries towards the face.

Some factors specific to each patient increase bleeding, and therefore bruising. The review by Romera de Blas and colleagues lists oral anticoagulants, antiplatelet medicines, non-steroidal anti-inflammatory drugs, vitamin E, alcohol and herbal supplements such as ginkgo biloba or ginseng. High blood pressure during the operation also increases bleeding.

Why does bruising appear around the eyes?

On the scalp, marks form first where the tissue was worked hardest: the donor area at the back of the head and above the ears, and the front edge of the scalp when the hairline has been rebuilt. The redness of the first days and the scabs partly hide them, so most people notice them only once they reach the skin of the face.

Forehead swelling is the most common early finding after FUE: the series gathered by the 2026 review report it in nearly half of patients, while swelling around the eyes affects roughly 3 to 5%. The fluid slides from the forehead to the eyelids and then the cheekbones, and periorbital bruising can come with it: a purplish shadow under one or both eyes that normally leaves the eye itself unaffected.

How the session is run influences this movement. Megasessions, very dense implantation at the front of the scalp and an excessive volume of tumescent solution all make swelling more pronounced (Romera de Blas et al., 2026). A bruise that appears under the eyes on the third day, when nothing was visible the evening before, can usually be explained by this downward drift.

Purple patches around the extraction points

A rarer pattern worries patients more when they first see it. A multicentre series of ten cases describes purple plaques with a dark, necrotic centre, clustered around extraction points in the donor area and appearing within the first week after harvesting with a motorised micro-punch. All of them cleared on their own within 14 days with no lasting marks, and tissue analysis showed only bleeding in the dermis, with no vasculitis or thrombosis (Romera de Blas et al., 2026).

Because they resemble vasculitis, an inflammation of the small vessels in the skin, these patches should still be shown to the team looking after you. A doctor can confirm the diagnosis and spare you unnecessary tests or treatment.

How long does bruising last after a hair transplant?

Swelling follows a fairly predictable course. It usually starts on the first or second day, peaks between the second and third day, and settles on its own within five to seven days (Romera de Blas et al., 2026). Any bruising that comes with it lasts longer: its purple, then yellow, discolouration can persist for up to 10 to 15 days.

Time after the transplant	What is commonly seen
Days 1 and 2	Forehead swelling begins
Days 2 and 3	Swelling at its peak
Days 5 to 7	Swelling settles
Up to 10 to 15 days	Purple, then yellow, marks

The changing colours reflect the blood being cleared. The mark is red while the red blood cells are intact, then turns brown as they break down and their haemoglobin oxidises. Inside macrophages, an enzyme called haem oxygenase then splits haem into biliverdin, a green pigment, which the body converts into bilirubin, a yellow one (Jeney et al., 2013). A yellow tinge therefore belongs to the last stage of the process.

The pace varies from person to person and with the amount of blood involved. A bruise that has not faded after two weeks, or that spreads instead of shrinking, deserves a photo sent to the team. The later stages, up to regrowth, are set out in our article on the hair transplant timeline month by month.

Bruise, swelling or haematoma: how can you tell them apart?

Three things often overlap after a transplant, and they do not carry the same weight. Bruising, or ecchymosis, is diffuse bleeding under the skin with little swelling, which leaves a flat mark that changes shade over the days. A haematoma comes from a larger vessel bleeding, so the blood collects in a pocket and forms a localised, tense lump that can grow and become painful. Swelling, or oedema, is soft puffiness, skin-coloured or slightly pink, that moves down from the forehead towards the eyes, and our article on swelling after a hair transplant covers it in detail.

What you notice	What it suggests
Flat mark that changes colour	Bruise, not serious
Soft swelling of brow or eyelids	Oedema, not serious
Tense lump that keeps growing	Haematoma, report it
Dark, weeping grafted area	Tissue damage, report it

In the donor area, an active haematoma causes pain, swelling and localised bruising. The literature describes it mainly after strip harvesting (FUT), when a deep incision cuts through an artery: treatment delayed beyond 24 hours may then increase the risk of tissue death in the donor area (Kerure & Patwardhan, 2018). Major bleeding is exceptional with FUE (Romera de Blas et al., 2026), but a lump that keeps growing should still be reported the same day.

One last situation, which is rare, is sometimes mistaken for a bruise. When part of the recipient area loses its blood supply, the skin can darken, weep, and then develop thick black crusts during the first week (Romera de Blas et al., 2026). This tissue damage sits on the grafted area itself, whereas a bruise colours intact skin on the forehead, temples or eyelids.

When should you contact the team straight away?

Some signs justify a message the same day, with a photo taken in daylight. The first is the lump described above, a localised swelling that grows by the hour, hardens and becomes painful, particularly in the donor area. Bleeding that starts again despite around ten minutes of continuous pressure with sterile gauze calls for the same step (Kerure & Patwardhan, 2018; Romera de Blas et al., 2026), and our article on bleeding after a hair transplant sets out what to do.

Infection is rare after FUE, with most studies reporting fewer than 1% of cases (Romera de Blas et al., 2026). When it occurs, it usually develops within the first four weeks, with redness and swelling that spread, pustules or honey-coloured crusts, pus, increasing pain and sometimes tender or swollen lymph nodes. These signs develop in the opposite direction to a bruise, which fades and shrinks over time.

Around the eyes, puffy lids and a purple shadow are part of the expected picture. Blurred or double vision, blood visible in the eye, or an eye area that feels warm or leaks pus are not explained by swelling, and the NHS lists them among the reasons for urgent assessment when there is bruising around the eye. Bruising that appears elsewhere on the body without any knock also deserves a doctor’s opinion, particularly if you take a blood thinner: the NHS counts severe bruising among the signs of excessive bleeding with these medicines.

If there is heavy bleeding, you feel faint or you have difficulty breathing, call the emergency services directly: 112 works in Turkey, and 999 or 112 in the UK, while NHS 111 advises on urgent problems that are not life-threatening. Then let your patient coordinator know, so the medical team is aware of what happened.

What can you do to ease the bruising?

During the first nights, the angle of your head has a direct effect on swelling. The 2026 review includes keeping the head raised by 20 to 30 degrees during the first days among the useful measures, as it limits fluid build-up in the forehead and eyelids. Our guide to sleeping after a hair transplant explains how to set up your pillows without putting weight on the grafts.

Intermittent cold eases the swelling while it is building up (Romera de Blas et al., 2026). For bruising around the eye, the NHS advises holding an ice pack wrapped in a cloth to the area for 10 to 20 minutes at a time, repeated regularly over the first 24 to 48 hours, and never putting ice directly on the skin. After a transplant, the pack goes on the forehead, temples or upper cheeks, well away from the recipient area.

Some habits make bruising worse. Alcohol increases the risk of bleeding (Romera de Blas et al., 2026), so avoid it for the whole period your team specifies. For pain, stick to the prescription you were given after the procedure, because aspirin or anti-inflammatories taken on your own initiative increase bleeding, and the NHS warns that aspirin not prescribed by a doctor can make bruising worse.

Avoid rubbing or massaging the marked areas, especially the eyelids, where the skin is thin. Arnica creams sold for bruises are applied with a light massage, so check with your team before using one on your face, and never apply one to the treated scalp. When you go out, sunglasses cover the shadows under the eyes, and concealer can be applied to facial skin away from the treated areas if your team has no objection. These precautions sit alongside the rest of your hair transplant aftercare, including washing.

How can bruising be reduced before and during surgery?

Prevention starts before the day of the operation. Tell the team about every medicine and supplement you take, including low-dose aspirin, occasional anti-inflammatories and the herbal products mentioned above. An anticoagulant or antiplatelet medicine prescribed for your heart or blood vessels must never be stopped on your own: any short pause is decided case by case with the doctor who prescribes it, weighing the risk of bleeding against the risk of a clot (Romera de Blas et al., 2026). Our article on aspirin and blood thinners before a hair transplant explains how that decision is made.

The way the anaesthetic is injected then affects swelling and bruising. In a prospective study across four centres involving 1,167 patients, a protocol combining a modified anaesthetic solution, injection into the subcutaneous layer and removal of excess fluid after the incisions was compared with a solution already containing triamcinolone, a corticosteroid. Swelling fell from 8.94% to 2.66% of patients, with significantly less bruising (Sun et al., 2026).

In a prospective cohort cited by the 2026 review, adding triamcinolone to the tumescent solution had already reduced swelling from 40% to 9% of cases. These studies concern specific protocols; they show that the make-up of the solution, the way it is injected and the removal of excess fluid all affect recovery, alongside the session size mentioned earlier.

When you prepare, you can therefore ask how swelling is prevented, which medicines you will receive after the procedure and how many grafts are planned for the area to be covered. Our complete hair transplant guide covers the FUE and DHI techniques and the criteria that guide the choice between them.

Frequently asked questions about bruising after a transplant

Does bruising mean grafts have been lost?

A bruise is made of blood that has seeped under the skin of the face or the donor area, and its presence says nothing about whether the grafts have taken. A dislodged graft is more likely to show as a small bleed at one precise point in the recipient area, usually after an accidental knock or rubbing (Kerure & Patwardhan, 2018).

Can heavy bruising affect the final result?

Swelling and bruising are described as benign after-effects that clear on their own, even when they look dramatic (Romera de Blas et al., 2026). The result depends on how well the grafts take and is judged on regrowth, which becomes visible after several months. Tissue damage in the grafted area, described above, and severe infection are a different matter: these complications can compromise some of the grafts, which is why they should be reported early.

When can I go back to work if my face is still marked?

For a job without contact with the public, returning depends mainly on tiredness and the care you still need to carry out, such as washing. For a customer-facing role, allow for a possible visible mark for around ten days while the yellow fades, and set your return date accordingly before you even book your trip.

Your first days in Istanbul with Body Expert

At Body Expert, your transplant takes place at our partner clinic in Istanbul, selected for its facilities and its surgeons’ experience. Your stay is organised around the procedure: a 5-star hotel with breakfast, VIP transfers between the airport, the hotel and the clinic, and a dedicated English-speaking patient coordinator who supports you from start to finish. Depending on the length of your stay, the peak of swelling on the second or third day happens at the hotel or during the journey home, so pack a travel neck pillow for the flight and sunglasses to cover any marks.

Your 12-month post-operative follow-up continues once you are back home. For any bruise whose appearance concerns you, send your coordinator photos taken in daylight, from the front and from the side: they pass them on to the medical team, who review them and advise you on what to do next. Our page on hair transplant in Istanbul describes how the procedure and support are organised on site.

Sources

Jeney, V., Eaton, J. W., Balla, G., & Balla, J. (2013). Natural history of the bruise: Formation, elimination, and biological effects of oxidized hemoglobin. Oxidative Medicine and Cellular Longevity, 2013, 703571. https://doi.org/10.1155/2013/703571

Kerure, A. S., & Patwardhan, N. (2018). Complications in hair transplantation. Journal of Cutaneous and Aesthetic Surgery, 11(4), 182-189. https://doi.org/10.4103/JCAS.JCAS_125_18

NHS. (2023, July 27). Black eye. https://www.nhs.uk/conditions/black-eye/

NHS. (2024, September 9). Anticoagulant medicines: Side effects. https://www.nhs.uk/conditions/anticoagulants/side-effects/

Romera de Blas, C., Vega Díez, D., Ricart Vayá, J. M., & Gómez Zubiaur, A. (2026). Complications in follicular unit excision hair transplantation: Current evidence and practical approaches. Frontiers in Medicine, 13, 1750989. https://doi.org/10.3389/fmed.2026.1750989

Sun, Y., Xu, F., Zhang, J., Fan, Z., Qu, Q., Liu, Y., Hu, Z., Lei, R., Wang, Z., & Miao, Y. (2026). Comprehensive prevention for edema after hair transplantation: A multicenter study of 1167 patients. Plastic and Reconstructive Surgery, 157(1), 49e-57e. https://doi.org/10.1097/PRS.0000000000012284