How Long Does Fat Transfer Last?

Fat transfer, also called fat grafting or lipofilling, moves fat from one part of your body to another, so people understandably ask how long fat transfer lasts and whether it is permanent. The short answer is that the fat cells that establish a new blood supply stay for life, but not every cell injected makes it. A systematic review of the research notes that reported resorption ranges from 20% to 80%, depending on the technique, the area and the patient^[1].

This guide explains how much fat survives, what the first year looks like, how long facial fat transfer, fat transfer to the breasts and the Brazilian butt lift last, and what you can do to protect the result. It deliberately does not cover pain, which our guide to whether fat transfer surgery is painful answers, or day-by-day healing, which is set out in our fat transfer recovery and aftercare guide.

How Long Does Fat Transfer Last?

Fat transfer is permanent in the sense that matters. Fat cells that survive the first few months have found a blood supply in their new home and live there like any other fat. What is not permanent is all of the fat that was injected. Part of it never connects to a blood supply and is gradually absorbed by the body.

In practice this means three things. The result you see in the first weeks is larger than the final result, because of swelling and, in the face, deliberate overfilling. The result you see at three to six months is the one that lasts. After that, the transferred fat changes the way the rest of your body fat changes, with your weight, your age and your hormones.

How long does a fat transfer take to settle?

At Centre for Surgery, our service pages give around three to six months for the final result to show in the breasts and buttocks, and about six months in the face. Expect to look fuller than the final result for the first few weeks.

Is Fat Transfer Permanent? How Much Fat Survives

Survival rates are the number every patient wants, and they are surprisingly hard to pin down, because studies measure them in different ways (scans, ultrasound, 3D photographs) and surgeons use different techniques. Two large reviews give a good overall picture.

A 2018 systematic review and meta-analysis in JAMA Facial Plastic Surgery ↗ pooled 52 studies and 1,568 patients and found that 50-60% of the injected volume in the face was retained at one year. Patients needed an average of 1.5 sessions, and patient satisfaction was 91.1%^[2]. For the breast, a 2026 systematic review and meta-analysis in Aesthetic Surgery Journal ↗ of 40 studies and 5,684 patients reported 12-month volume retention of 61.3%, with wide variation between studies^[3].

Those figures sit close to the survival rates quoted on our own service pages: about 60-70% in the face and breasts and 50-70% in the buttocks. Neither gives a promise for you, since technique, the area treated and your own healing all play a part.

What happens to the fat that does not survive?

It is broken down and absorbed by the body over the first weeks and months, and most of this has happened by around three months. Occasionally, a small area of fat does not survive but is not fully absorbed, and forms a firm lump or an oil cyst. We cover this below under the downsides of fat transfer.

Fat Transfer Results Month by Month: What Happens in the First Year

Weeks 1 to 12: swelling and reabsorption

Early on, the treated area looks and feels fuller than it will in the end. Swelling peaks within the first few days and then eases, and over the same weeks the fat cells that did not pick up a blood supply are reabsorbed. Surgeons allow for this, which is why a small amount of overfilling is built into facial fat transfer. A 2022 photometric study of 29 women in Aesthetic Surgery Journal ↗ tracked an initial dip in midface volume over months one to seven before it rebounded^[4], a reminder that the middle of the journey is not the end.

Months 3 to 6: the result takes shape

By three months, most of the reabsorption is over and the swelling has largely gone. Over the following weeks the surviving fat settles and softens, and the result you see at about six months is the one you can expect to keep. If you want more volume, this is when a top-up can be planned, usually from three to six months for the breasts and from around six months for the face.

After six months: ordinary body fat

Once settled, transferred fat is simply fat. Long-term studies of breast fat transfer have found that volume tracks body weight: in a small study using MRI scans five to nine years after surgery, women whose BMI stayed stable kept about three-quarters of the transferred volume, while those who gained weight had larger breasts^[5].

How Long Does Facial Fat Transfer Last?

Facial fat transfer, used for hollow cheeks, temples, tear troughs and a softer jawline, has the longest-standing reputation for lasting. The face has a rich blood supply, which helps small amounts of fat to take. On our facial fat transfer page, about 60-70% of the fat survives, and a second session is planned from around six months in roughly one in four to one in three patients.

What happens to facial fat transfer after 5 years?

The honest answer is that it depends on you. Surviving fat does not disappear, but the face keeps changing around it. In a 2025 study of 12 patients followed for five years in the Journal of Plastic, Reconstructive and Aesthetic Surgery ↗, face volume at five years was linked to weight gain rather than to how much fat had been injected, and satisfaction had drifted back to pre-operative levels, so some patients choose a top-up^[6]. In the 29-woman study mentioned above, women under 55 held their gain while women over 55 lost it more gradually^[4]. Both studies are small, and neither means your result will fade, but it is why surgeons talk about years of benefit rather than a guarantee for life.

Will I look overfilled after fat transfer to the face?

Early on, yes: slightly overfilled is deliberate, and the swelling adds to it. It settles over weeks to months. Our guide to looking overfilled after fat transfer to the face explains what is normal and when to speak to your surgeon. Fat transfer to the face adds volume rather than lifting tissue, so patients with sagging skin often combine it with a facelift. Our comparison of whether facial fat transfer is permanent goes further on the face.

How Long Does Fat Transfer to the Breasts Last?

Fat transfer breast augmentation uses your own fat to add a modest increase, typically half to one cup size per session. On our fat transfer breast augmentation page, around 60-70% of the fat survives, the final result is visible at three to six months, and a top-up session can be considered from three to six months. The meta-analysis above supports that range^[3], and the same review found that most complications were minor findings on scans, chiefly fat necrosis (8.8%) and small calcifications (1.1%), without evidence that cancer detection was impaired^[3].

Two points set the breast apart. Pressure matters, so we ask patients not to sleep on their front for two weeks. Weight and pregnancy matter too, because breast volume follows body weight, and pregnancy and breastfeeding change breast tissue in any case. If you want a bigger change than fat alone can give, compare breast implants vs fat transfer, read how long breast fat transfer results last, or ask about breast augmentation with implants or a hybrid of the two.

How Long Does Fat Transfer to the Buttocks (BBL) Last?

A Brazilian butt lift uses larger volumes of fat, usually harvested by 360 liposuction. On our Brazilian butt lift page, about 50-70% of the fat survives, the buttocks look largest at two to three months and then settle as more fat is reabsorbed, and the final result is visible at three to six months. A 2019 prospective ultrasound study of 50 women in Plastic and Reconstructive Surgery ↗ measured the thickness of the gluteal fat layer after subcutaneous-only fat grafting: it rose by about 57% straight after surgery and had fallen by an average of 18% from that figure at 12 months^[7]. That measures thickness, not total volume, so it is not directly comparable with survival percentages, but it shows that most of the gain was still there a year later.

Does fat transfer to the buttocks last?

Yes, for the fat that survives, and most patients do not need regular top-ups, unlike a non-surgical butt lift using injectables. What protects it in the first weeks is avoiding pressure: we advise no sitting directly on the buttocks for two weeks and wearing the compression garment for the donor areas for six weeks. Our guides to how long a BBL lasts, how to feed the fat after a BBL and what happens if you do not have enough fat for a BBL cover this in detail.

How long does fat transfer last in the hips and calves?

The same principles apply: some fat is reabsorbed, and the rest becomes permanent. Hip dips and calves use smaller volumes than a full BBL, and the shape stays for as long as the fat does. Our article on calf augmentation with fat sets out the trade-offs.

Does Fat Transfer Last Forever? Weight Gain, Weight Loss and Ageing

Fat that survives does not behave like an implant. It stays, but it keeps responding to the same signals as the rest of your fat.

• Weight gain: transferred fat cells can enlarge, so a treated area may grow. The five-year facial study and the breast MRI study above both found that later volume followed weight gain^{[5], [6]}.
• Weight loss: transferred fat can shrink, which is why we ask for a stable weight before surgery and advise patients with a lot of weight to lose to lose it first. If your weight has changed because of weight-loss medication, wait until it has been stable for at least six months.
• Ageing: in the face, surviving fat ages with the tissue around it, and volume lost to age continues to be lost elsewhere.
• Pregnancy and hormones: breast and body fat change with pregnancy, breastfeeding and the menopause.

What Makes Fat Transfer Results Last Longer?

Some of what decides survival is in your surgeon’s hands, and some is in yours.

Technique and surgeon

Gentle, low-pressure liposuction, purifying the fat, and injecting it in many small layers rather than large pockets all help each deposit reach a blood supply. This is the main reason the surgeon who assesses you should also be the surgeon who operates. Our guide to how to improve your fat transfer results explains each step.

Does smoking affect fat transfer?

Our BBL page states that fat survival falls from 50-70% to 30-50% in smokers, and we ask every patient to stop smoking, vaping and nicotine products for four weeks before and four weeks after surgery. The research is less clear-cut: a 2023 clinical trial of 12 patients in Plastic and Reconstructive Surgery Global Open ↗ found no effect of smoking on volume retention in facial grafts^[8]. It was a very small study. Nicotine narrows blood vessels and slows healing, which is why we treat it as a firm rule.

Pressure, garments and aftercare

Grafted fat needs time to take. That means no pressure on the treated area, the right sleeping position, and wearing the donor-site garment and any support bra as advised. Do not diet hard in the months after surgery, because losing weight in this window reduces how much fat survives.

Fat Transfer vs Fillers: Which Lasts Longer?

Hyaluronic acid dermal fillers wear off over months and need repeating, and they can be dissolved. Fat transfer needs surgery, but the fat that survives lasts years, and it can treat larger areas. Fillers and anti-wrinkle injections are useful alongside fat transfer for fine-tuning, and many patients use fat for the main volume and filler for small corrections later. Our guide to facial fat transfer vs fillers compares them side by side.

Can You Have a Second Fat Transfer?

Yes. Some fat is always reabsorbed, so a second session is a normal part of planning rather than a sign that something went wrong. On our service pages a top-up is considered from around three to six months for the breasts and from six months for the face, and around 20-30% of facial patients need one. Waiting until the first result has fully settled lets your surgeon judge what is truly missing. Our fat transfer cost guide explains how a second session is priced.

What Are the Downsides of Fat Transfer?

The main downsides are that some fat is always reabsorbed, so the result is less predictable than an implant, and that fat which does not survive can form small lumps, oil cysts or calcifications. The meta-analysis of breast fat grafting found fat necrosis in 8.8% of cases and calcifications in 1.1%, mostly detected on imaging^[3]. You also have a second recovery, because the donor area where the fat was taken heals like liposuction. Our guide to fat necrosis after a BBL explains the signs and treatment of lumps.

What Happens at a Fat Transfer Consultation in London?

At your consultation you meet the surgeon who will operate. They examine the treated area and the donor sites, check that you have enough fat to harvest, and talk through realistic survival, whether a second session is likely, and how your weight and lifestyle will affect the outcome. Very lean patients may not have enough fat, and patients with a lot of weight to lose usually get a better result by losing it first.

Fat transfer at Centre for Surgery is performed by GMC-registered plastic surgeons at our CQC-regulated hospital on Baker Street. Small-volume facial work is done under local anaesthetic with sedation or under TIVA, and breast and buttock fat transfer under TIVA, as day cases. We recommend a two-week cooling-off period after consultation, and the cost of your procedure is confirmed in writing after you have been seen. Finance is available for some fat transfer procedures, though not for a BBL. If your concern is stubborn fat rather than lost volume, our liposuction page and guides to how to get rid of body fat and non-surgical fat reduction may help, and our wider body contouring section covers the rest.

Frequently Asked Questions

Fat Transfer in London

If you want to know how long fat transfer would last for you, a consultation with one of our plastic surgeons will estimate survival for the area you are considering, the likelihood of a second session and how your weight will affect the result. Find out more about fat transfer at Centre for Surgery.

Phone: 020 7993 4849 | Address: 95–97 Baker Street, Marylebone, London W1U 6RN
Contact us to schedule a consultation

References

1. Laloze J, Varin A, Gilhodes J, et al. Cell-assisted lipotransfer: friend or foe in fat grafting? Systematic review and meta-analysis. Journal of Tissue Engineering and Regenerative Medicine 2018;12(2):e1237–e1250. doi:10.1002/term.2524 ↗
2. Krastev TK, Beugels J, Hommes J, Piatkowski A, Mathijssen I, van der Hulst R. Efficacy and safety of autologous fat transfer in facial reconstructive surgery: a systematic review and meta-analysis. JAMA Facial Plastic Surgery 2018;20(5):351–360. doi:10.1001/jamafacial.2018.0102 ↗
3. Gentile P, Sterodimas A. Autologous fat grafting for breast augmentation and breast remodeling: a systematic review and meta-analysis of complications, radiologic outcomes, graft retention, and patient-reported satisfaction. Aesthetic Surgery Journal 2026. doi:10.1093/asj/sjag187 ↗
4. Cohen SR, Wesson J, Willens S, et al. Standardized anatomic and regenerative facial fat grafting: objective photometric evaluation 1 to 19 months after injectable tissue replacement and regeneration. Aesthetic Surgery Journal 2022;42(4):327–339. doi:10.1093/asj/sjab379 ↗
5. Ueberreiter CS, Ueberreiter K, Mohrmann C, Herm J, Herold C. Long-term evaluation after autologous fat transplantation for breast augmentation [in German]. Handchirurgie, Mikrochirurgie, Plastische Chirurgie 2020;53(2):149–158. doi:10.1055/a-1183-4338 ↗
6. Schipper JAM, Tuin AJ, Loonen TGJ, Dijkstra PU, Spijkervet FKL, Schepers RH, Jansma J. Volume and patient satisfaction, 5 years of follow up after facial fat grafting. Journal of Plastic, Reconstructive and Aesthetic Surgery 2025;102:231–237. doi:10.1016/j.bjps.2025.01.052 ↗
7. Cansancao AL, Condé-Green A, David JA, Vidigal RA. Subcutaneous-only gluteal fat grafting: a prospective study of the long-term results with ultrasound analysis. Plastic and Reconstructive Surgery 2019;143(2):447–451. doi:10.1097/PRS.0000000000005203 ↗
8. Bourne DA, Egro FM, Bliley J, et al. Stem cell therapy enriched fat grafting for the reconstruction of craniofacial deficits. Plastic and Reconstructive Surgery Global Open 2023;11(6):e5056. doi:10.1097/GOX.0000000000005056 ↗