Swelling after a hair transplant: why your forehead swells and what to do

What does swelling after a hair transplant look like?

Oedema, the medical term for this swelling, means excess fluid held in the tissues, here just under the skin. After a transplant it shows up as a soft, skin-coloured puffiness, painless or only slightly tender, which starts high on the forehead near the new hairline. It then moves down towards the eyebrows and may reach the bridge of the nose and the eyelids, which feel heavy and can be hard to open fully.

In their review of complications in hair restoration surgery, Kerure and Patwardhan describe this swelling as a consequence of the operation rather than a complication as such. It differs from a haematoma, which forms a tense, localised lump, and from an infection, which brings heat and increasing pain. The usual swelling affects both sides of the face to a similar degree.

From the upper forehead to the eyelids: a four-grade scale

To measure swelling after a transplant, Gholamali and colleagues graded it by the lowest point it reaches on the face. The scale gives you precise words to describe your situation to the team looking after you, ideally with a photo.

Grade	What you see
0	No swelling
I	Upper forehead
II	Whole forehead, upper and lower
III	Around the eyes
IV	Purple-tinged eyelids

Grade IV combines the swelling with bruising of the eyelids, meaning a little blood that has spread under the thin skin around the eye, a combination the authors describe as rare (Gholamali et al., 2010). These marks take longer to clear than the swelling itself, and our article on bruising after a hair transplant follows how their colour changes.

How long does the swelling last?

Published work describes a short episode concentrated in the first week. Gholamali and colleagues place it mainly between the second and sixth day. The review by Romera de Blas and colleagues has it starting on the first or second day, peaking around the second or third day and resolving spontaneously within five to seven days, while Kerure and Patwardhan put its usual duration at three to five days. These ranges overlap closely and add up to a predictable timeline.

Over the first twenty-four hours or so, the forehead often stays flat or simply feels tight. The swelling then takes shape across the upper forehead, reaches the eyebrows and may drop as far as the eyelids at its peak. After that it subsides gradually, and the face usually looks like itself again towards the end of the first week.

Swelling that is still increasing after the fifth day, or remains obvious beyond the first week, departs from this timeline. It does not necessarily point to a complication, but it does warrant a photo and a message to the medical team, who can decide whether you need to be examined.

Why does the forehead swell after the procedure?

To make graft extraction and implantation painless, the scalp first receives a tumescent solution through a series of injections. The mixture combines a local anaesthetic, saline and a low concentration of adrenaline, which narrows the blood vessels and limits bleeding. The volume injected also thickens the dermis, which protects the vessels underneath during extraction (Romera de Blas et al., 2026). You can read how the injections are carried out in our article on local anaesthesia during a hair transplant.

Some of this fluid remains under the skin after surgery and is pulled down by gravity. While your head is upright, it slowly slides from the treated area towards the eyebrows, then collects around the eyes, where the tissues stretch easily. This journey takes time, which explains why a forehead that still looks flat on the evening of surgery can be visibly swollen two days later.

Two further processes add to this shift. The thousands of tiny incisions trigger a local inflammatory reaction, and lymphatic drainage from the front of the scalp is temporarily disrupted (Romera de Blas et al., 2026). Kerure and Patwardhan (2018) list this lymphatic drainage of the frontal scalp among the contributing factors, alongside gravity and the volume of solution injected.

Why do some patients swell more than others?

Reported rates of swelling vary enormously from one published series to the next. A literature review by a team at Harvard Medical School found frontal swelling in up to 50% of patients in some studies, with loosely defined criteria and wide differences between authors (Liu et al., 2025). The 2026 review puts part of this spread down to the criteria used to assess swelling and to how patients are positioned after surgery (Romera de Blas et al., 2026).

Another part of it comes down to the procedure itself. Kerure and Patwardhan count megasessions, meaning sessions involving a very large number of grafts, among the contributing factors, and Romera de Blas and colleagues note more marked swelling when grafts are densely packed into the frontal area.

The patient’s profile counts too: Kerure and Patwardhan mention loose skin in the donor area and older age. In practice, restoring the hairline and temples with a high graft count will generally make visible swelling more likely than adding density to the crown, which sits further from the forehead. Two people operated on the same day, with the same technique, will not necessarily look the same on day three.

How does the medical team prevent swelling during surgery?

The study by Gholamali and colleagues, carried out on 340 patients treated with the strip technique (FUT) between 2001 and 2003, compared eight ways of limiting swelling. Each group received a single measure, and a daily check recorded the grade reached up to the sixth day. Patients who escaped swelling altogether appear only in the groups given a corticosteroid, a powerful anti-inflammatory.

Measure studied	Patients without swelling
Steroid in the tumescent solution	97.4%
Steroid mixed with the anaesthetic	70%
Steroid by intramuscular injection	65.7%
Steroid tablets	47.6%
Position, headband or ice alone	0%

The best result went to triamcinolone, a corticosteroid added directly to the tumescent solution: in that group, only 3 of the 117 patients followed up developed swelling, and it stayed mild. Tablets worked less well and also caused digestive upset, which led seven patients to leave the study. These figures come from an extraction technique that differs from today’s FUE and from groups of very unequal size, yet the gap between medicinal and physical measures remains clear.

A more recent multicentre study refined this approach in 1,167 patients followed in four centres. According to the 2026 review, both groups compared received triamcinolone in the tumescent solution and the same course of systemic corticosteroids. In the reference group, swelling affected 8.94% of patients, including 1.4% with severe swelling around the eyes. In the second group, an anaesthetic solution of modified composition was injected into the subcutaneous layer, and the excess fluid was drained after the recipient sites had been created: swelling affected only 2.66% of these patients, with no severe cases, less bruising and higher satisfaction (Sun et al., 2026).

These studies show that prevention rests above all on surgical choices: the make-up of the solution, the depth and volume of the injections and the removal of any surplus. Whether to use a corticosteroid, at what dose and by which route is a medical decision that takes your history and current medicines into account. At your consultation, you can ask how swelling is prevented in your case, how many grafts are planned and in which areas. Our hair transplant guide walks through each stage of the procedure, from extraction to implantation, and helps you prepare these questions.

What can you do at home to limit the swelling?

Everyday measures are not enough to stop swelling forming, as the 2010 study showed, but they are still recommended: keeping the head raised and applying cold intermittently over the first few days are among the measures listed by Romera de Blas and colleagues.

During the day, every time you tilt your head forward a little more fluid moves towards your eyes, so hold your phone or screen at eye level and bend your knees rather than your neck to pick something up. At night, sleep on your back with your upper body raised and nothing pressing on the grafted area. For pillow set-ups suited to each treated area, see our article on sleeping after a hair transplant.

Cold eases the feeling of tightness. Apply a cold pack covered with a cloth to your forehead, above the eyebrows, for a few minutes at a time, and take it off as soon as the skin feels too cold or sore. It must never touch the grafts. The band that some teams place across the forehead at the end of surgery, below the hairline, acts as a barrier to the descending fluid, and Kerure and Patwardhan consider that it may help: wear it as you were shown, without tightening it further.

As for medicines, follow the prescription you are given on discharge and do not add a steroid or an anti-inflammatory on your own initiative: the 2026 review counts non-steroidal anti-inflammatory drugs and alcohol among the factors that encourage bleeding, and smoking among those behind necrosis of the recipient area, an exceptional complication. These precautions sit alongside the rest of our aftercare instructions following a hair transplant, which cover the first washes and getting back to your usual activities.

Can swelling affect graft survival?

Romera de Blas and colleagues describe swelling as a benign event that resolves on its own. The grafts are placed in the hair-bearing scalp, from the hairline upwards, whereas the most visible swelling forms lower down, on the forehead and around the eyes. How much you swell is therefore no guide to how well the grafts have taken, which will be judged on regrowth several months later.

The inconvenience is real all the same. Gholamali and colleagues point out that marked swelling delays the return to social life and work, and the multicentre study by Sun and colleagues links better prevention with higher patient satisfaction. These effects last only as long as the episode.

In the first few days, scratching poses a more concrete risk to the grafts: the 2026 review links it to dislodged grafts and infection. So avoid rubbing your swollen eyelids and do not press on your forehead, especially near the hairline. The same care applies to the scabs on the grafted area: they come away with the prescribed washes and should never be picked off.

Which signs mean you should call the team?

Soft swelling on both sides, with little pain, that peaks in the first few days and then goes down, matches the usual course. You can keep an eye on it without particular concern, sending the team a photo if you are unsure how it is developing.

An infection, which is rare after a transplant, shows itself differently: a fever, pus, hot redness that covers a wider area each day or pain that builds over the days. One side of the face clearly more swollen than the other also falls outside the usual picture. In these situations, contact the team the same day, as a medical examination is needed; our dedicated page on infection after a hair transplant sets out the signs that help you recognise it.

Eyelids so swollen that your eyes struggle to open are among the marked forms of ordinary swelling, as Gholamali and colleagues describe. Reduced vision, double vision or pain in the eye fall outside this picture, however, and call for a prompt medical opinion.

Angioedema, a different kind of swelling, comes on suddenly and often affects the lips, tongue and eyelids; when an allergy is behind it, it usually comes with a raised, itchy rash (NHS, 2026). The NHS lists medicines among its triggers, including a non-allergic reaction most often linked to ACE inhibitors, a family of blood pressure tablets, whereas a genuine allergy to local anaesthetic remains rare (Kerure & Patwardhan, 2018). An itchy rash that appears after a dose of medicine is a reason to contact the team the same day.

If your lips, mouth, tongue or throat suddenly swell, if your throat feels tight, or if you struggle to swallow or breathe, call 999 in the UK or 112: these can be signs of a serious allergic reaction that needs immediate treatment (NHS, 2026). The 112 number also works in Turkey. As soon as you can, let your patient coordinator know as well, so that the medical team is aware of what happened.

Planning your stay in Istanbul around the peak of the swelling

With Body Expert, your transplant is performed at our partner clinic in Istanbul, selected for its facilities and its surgeons’ experience. Everything is organised for you: a 5-star hotel, VIP transfers, an English-speaking patient coordinator and 12-month follow-up. Your dedicated coordinator remains your point of contact for the whole of your stay.

Depending on how long you stay, the swelling may peak at the hotel or after you get home. Keep the first week as free of commitments as you can, and do not drive while your eyelids narrow your field of vision. If your return flight falls within this period, our article on flying after a hair transplant sets out the precautions to take on board.

Once you are home, you continue to benefit from 12-month post-operative follow-up. If in doubt, tell your coordinator the grade reached on the scale above, the day the swelling began and whether it is increasing or going down, with a photo taken from the front: your coordinator passes this on to the medical team. For an overview of the stay, see our page on how a hair transplant in Istanbul works.

Sources

Gholamali, A., Sepideh, P., & Susan, E. (2010). Hair transplantation: Preventing post-operative oedema. Journal of Cutaneous and Aesthetic Surgery, 3(2), 87-89. https://doi.org/10.4103/0974-2077.69018

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

Liu, R. H., Xu, L. J., McCarty, J. C., Xiao, R., Chen, J. X., & Lee, L. N. (2025). A scoping review on complications in modern hair transplantation: More than just splitting hairs. Aesthetic Plastic Surgery, 49(3), 585-595. https://doi.org/10.1007/s00266-024-04316-3

NHS. (2026, August 25). Angioedema. https://www.nhs.uk/conditions/angioedema/

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