Pros and Cons of a BBL: Is a Brazilian Butt Lift Worth It?

A BBL is worth it for many people who have enough spare fat, a stable weight and realistic expectations, but it is a serious operation with real downsides. The pros of a Brazilian butt lift are a natural look and feel, slimmer donor areas, permanent results once the fat has settled and no implant. The cons are a higher risk profile than most cosmetic operations, 2 weeks without sitting on your buttocks, partial fat loss, a recovery of several weeks and a result that cannot be fully undone.

This guide sets out the honest pros and cons of BBL surgery, what the published mortality and satisfaction data actually show, a decision checklist and the alternatives worth comparing. If you already know you want to explore surgery, our Brazilian butt lift page explains how the procedure is carried out at Centre for Surgery, and our guide to BBL risks covers each complication in more detail.

What Is a BBL and How Does It Work?

BBL stands for Brazilian butt lift, sometimes called a Brazilian bum lift. Despite the name, it is not a lift of loose skin. It is a fat transfer to the buttocks: fat is removed by liposuction from areas such as the abdomen, flanks, lower back or thighs, purified, then injected into the buttocks and hips to add volume and reshape them.

At Centre for Surgery, a BBL is a day case under TIVA (total intravenous anaesthesia) taking around 3 to 4 hours. Fat is harvested by power-assisted liposuction or VASER and placed with a blunt cannula, only into the layer under the skin, above the gluteal muscle, never into or beneath it. Every BBL is performed under real-time ultrasound guidance so the surgeon can see where the cannula sits. Our guide to the ultrasound-guided BBL explains why this matters for safety.

What Are the Pros of a BBL?

The genuine advantages of a BBL are:

• Natural material, natural feel. The volume comes from your own fat, so the buttocks look and feel soft rather than firm. There is no risk of rejecting the material, and the transferred fat moves with your body.
• Two areas treated in one operation. The liposuction that harvests the fat also slims the donor areas. Removing fat from the waist, flanks and lower back while adding it to the buttocks and hips is what creates the curve, so a BBL is really a body contouring operation rather than a buttock operation alone.
• Permanent once settled. The fat cells that establish a blood supply in their new position behave like fat anywhere else in your body. Most of the result is visible by 3 months, and the surviving fat is permanent from around 6 months.
• No implant. There is no device to rupture, shift, become infected around or need replacing. In a review of 52 studies and 7,834 patients, the overall complication rate was 10.5% for buttock fat grafting compared with 30.5% for buttock implants^[1].
• Small scars. The incisions are around 3 to 4 mm and placed in natural creases, so they are usually hard to see once healed.
• Shape can be tailored. Fat can be placed where you need it, for example to soften hip dips or correct mild asymmetry.

Many patients also find that clothes fit better and they feel more confident, which the satisfaction studies later in this guide reflect.

What Are the Cons and Disadvantages of a BBL?

The disadvantages of a BBL deserve the same attention. These are the downsides patients most often underestimate:

• A higher risk profile than most cosmetic operations. The rare but most serious complication is fat embolism, when fat enters the large veins in or under the gluteal muscle. This is why the plane of injection and ultrasound guidance matter so much. The safety data are set out in full below.
• Strict sitting rules. You should not sit directly on your buttocks for 2 weeks, and you sleep on your front or side rather than your back for the same period. If sitting is unavoidable, for example in a car, you use a BBL cushion, which you should have ready before surgery. Toilet visits should be brief, leaning forward. From week 3 you can usually sit normally for short spells. Our guide on when you can sit after a BBL covers this week by week.
• Some of the fat is lost. Around 50 to 70% of transferred fat survives, which means 30 to 50% is reabsorbed over the first few months. Surgeons plan for this by over-filling slightly, but the buttocks will look larger at first than they will at 6 months, and some people choose a second session.
• You need enough donor fat. A body mass index (BMI) of around 23 to 28 usually provides enough fat. If you are very slim, the volume you can gain is limited.
• Cost. A BBL is a significant investment. Finance isn’t available for BBL at Centre for Surgery, so the procedure is self-funded. Our guide to BBL cost in London explains what is included.
• Recovery takes weeks, not days. You wear a compression garment day and night for 6 weeks, take 1 to 2 weeks off work, avoid driving for 4 weeks and wait 6 weeks before strenuous exercise or weights. Swelling peaks at 3 to 5 days, and the final result takes 3 to 6 months.
• It is not reversible. Transferred fat develops its own blood supply, so a BBL cannot be fully undone. It can be revised, with liposuction to reduce volume or further grafting to correct dents, but that is another operation.
• Your result changes with your weight. Grafted fat behaves like your own fat, so large weight loss shrinks the buttocks and weight gain enlarges them, sometimes unevenly.
• Other complications. Seroma, contour irregularities, asymmetry, hardened fat (fat necrosis), infection and blood clots are all possible.

Our BBL recovery guide covers pain relief, the garment and returning to exercise.

Is a BBL Safe? What the Mortality Data Shows

The BBL earned its reputation as the most dangerous cosmetic operation for a real reason, and any honest list of BBL pros and cons has to start the safety discussion there. In a 2017 task force survey of 692 surgeons in the Aesthetic Surgery Journal ↗, surgeons reported 32 deaths and 103 non-fatal pulmonary fat emboli across 198,857 gluteal fat grafting operations, and the risk was significantly higher among surgeons who injected fat into the deep muscle^[2]. The mortality estimate from that period was around 1 in 3,448, the highest of any aesthetic operation^[2][3].

The cause is anatomical. The large veins of the buttock lie in and beneath the gluteal muscle, and fat injected there can enter them and travel to the lungs. Fat placed under the skin, above the muscle, is far less likely to do this.

What happened next is the most important part of the story:

• Technique changed and deaths fell. A follow-up survey found that the share of surgeons injecting into deep muscle dropped from 13.1% to 0.8%, and estimated mortality fell from about 1 in 3,448 to 1 in 14,952^[3].
• Muscle injection is the key danger. In a 2019 survey of 853 Brazilian plastic surgeons in Plastic and Reconstructive Surgery ↗, the estimated death rate was 1 in 20,117, and the risk of death was 16 times greater when fat was injected into the muscle^[4].
• Deaths cluster in budget, high-volume clinics. In South Florida, 25 BBL deaths were recorded between 2010 and 2022. Every autopsied case had fat in the gluteal muscle, and 92% of the deaths followed surgery at high-volume, budget clinics, typically after operations of only about 90 minutes^[5].
• Ultrasound is now recommended. A 2022 practice advisory recommended ultrasound documentation of cannula placement before and during fat injection, and a maximum of 3 BBL operations per surgeon per day^[6].
• Ultrasound-guided BBL results are encouraging. A 2025 systematic review and meta-analysis of 6,235 women having ultrasound-guided gluteal fat grafting found no deaths and no fat embolism. Minor complications occurred in about 6 in 100 patients, the most common being seroma^[7].

In the UK, the British Association of Aesthetic Plastic Surgeons (BAAPS) now estimates the risk of a BBL performed to current standards at nearer 1 in 15,000, similar to a tummy tuck^[8]. That is still a real risk for an elective operation, and you should weigh it honestly. Our BBL death rate and safety statistics page breaks down every figure and where it comes from.

Where and how the fat is placed matters more than anything else. A BBL abroad adds its own problems: the injection plane and use of ultrasound are hard to verify, flying soon after surgery raises clot risk, and complications are treated by doctors who did not operate. Our article on BBL in Turkey looks at the UK evidence.

Is a BBL Worth It? What Satisfaction Studies Show

Whether a BBL is worth it is personal, but satisfaction research is consistently positive when the operation is done safely:

• 86% satisfied in a series of 3,000 patients. A 2024 retrospective cohort of 3,000 BBL patients in Aesthetic Plastic Surgery ↗ reported that 86% were satisfied with their outcome, with about 70% of transferred fat surviving and one serious complication^[9]. This is a single-clinic series, so it reflects one team’s results rather than every surgeon’s.
• Measurable change in shape. In a prospective study using 3D imaging and ultrasound, the average waist-to-hip ratio improved from 0.78 to 0.74, about 65% of the fat was retained at 6 months, and patients reported high satisfaction on the BODY-Q questionnaire^[10].
• High satisfaction across techniques. The review of 52 studies found satisfaction was consistently high for every buttock augmentation method, including fat grafting and implants^[1].

Satisfaction figures do not capture everyone. Regret after a BBL usually comes from a result larger or less natural than expected, more fat loss than hoped, a complication, or a decision made quickly, cheaply or abroad. Most of these are avoidable with careful planning and a realistic volume. We recommend a two-week cooling-off period before you book, and further consultations before surgery are free.

Tap to reveal

Real Centre for Surgery patient, photographed at least six months after BBL surgery.

See more results in our BBL before and after photos. Individual results vary.

Should I Get a BBL? A Decision Checklist

A BBL tends to be worth it when you can answer yes to most of these questions:

• Do you have spare fat on your waist, flanks, back or thighs that you would be glad to lose?
• Has your weight been stable for at least 3 months? After major weight loss, the guide is 6 to 12 months.
• Is your main concern volume and shape, rather than loose skin? A BBL adds volume but cannot tighten sagging skin.
• Can you avoid sitting on your buttocks for 2 weeks, including at work and when travelling?
• Can you take 1 to 2 weeks off work and pause exercise for 6 weeks?
• Will you stop smoking and vaping 4 weeks before and after surgery? Nicotine reduces fat survival and slows healing.
• Are you comfortable with a permanent change? The fat that survives stays, and the operation cannot be fully reversed.
• Do you accept that 30 to 50% of the fat may be reabsorbed, and that a second session is sometimes needed?
• Is the procedure affordable without finance?
• Will your surgeon place fat only above the muscle, under ultrasound guidance? If the answer is unclear, do not go ahead.

If several answers are no, an alternative below may suit you better.

Who Is a Good Candidate for a BBL?

You are likely to be a good candidate if you are 18 or over, in good general health, have a BMI of around 23 to 28 and a weight that has been stable for at least 3 months. You should not be pregnant or breastfeeding. Good skin quality helps, as fat adds volume but does not lift loose skin; if your buttocks sag, a buttock lift may be needed instead of, or as well as, a BBL.

If your BMI is below about 23, a standard BBL may not provide enough fat, and a skinny BBL may be more realistic. If your BMI is higher, weight loss before surgery can improve safety and the final shape.

A BBL is often combined with 360 liposuction in one session. A tummy tuck and BBL are never combined in the same operation at Centre for Surgery, as each needs a different position on the operating table; they are staged 3 to 6 months apart.

What Are the Alternatives to a BBL?

Mini BBL

A mini BBL, also called a baby or small BBL, uses 2 donor areas, usually the lower flanks and upper thighs, and transfers around 800 to 1,000 ml of fat (400 to 500 ml per side), compared with 1,600 to 2,000 ml in a full BBL. Surgery takes around 2 hours, most people need about a week off work and exercise resumes from 4 weeks. The 2-week sitting rule and 4-week driving rule still apply. It suits people who want a subtle lift in shape rather than a large change.

Skinny BBL

A skinny BBL is designed for people with a BMI below 23. Fat is gathered from 4 or 5 donor sites, such as the abdomen, flanks, lower back, inner thighs and sometimes the knees, to give a modest, proportionate increase. It involves more donor areas and is priced above a standard BBL.

Buttock implants

Buttock implants are solid silicone implants of 200 to 600 cc placed within the gluteal muscle through a single incision in the cleft between the buttocks. Implants can give more projection than fat in a slim person, but they carry implant-specific risks, a longer sitting restriction (a cushion for 8 weeks), exercise from 8 weeks and a higher cost than a BBL. Fat transfer can be combined with implants to soften the hips. Implants have a higher overall complication rate, while fat grafting carries the rare risk of fat embolism^[1].

Buttock lift

A buttock lift removes loose, sagging skin and does not add volume. It takes 2 to 3 hours and leaves a permanent scar that can usually be hidden in the swimwear line. It suits people with loose skin, often after major weight loss, and can be combined with fat transfer or auto-augmentation using your own tissue.

Non-surgical butt lift

A non-surgical butt lift, also called a liquid BBL, uses hyaluronic acid body filler (HYAcorp) injected by surgeons in a sterile theatre under ultrasound guidance, with local anaesthetic. Each session takes 45 to 60 minutes, 1 to 3 sessions may be needed, and there is no real downtime beyond avoiding direct pressure on the buttocks for 24 to 48 hours. The change is modest, it does not slim any donor areas and it lasts around 12 to 18 months, although it can be dissolved with hyaluronidase if needed.

Regulation of body filler is tightening. On 21 October 2026, the Department of Health and Social Care proposed that fillers injected anywhere other than the face, including liquid BBLs, be legally defined as cosmetic surgery so that only doctors could perform them, with legislation planned for spring 2027^[11].

Exercise

Squats, hip thrusts and lunges build the gluteal muscles and improve tone, but they cannot move fat from your waist to your buttocks or add the volume a BBL does.

How to Reduce the Risks If You Decide to Go Ahead

If the pros outweigh the cons for you, these steps matter most:

• Ask where the fat will go. The answer should be “only in the layer under the skin, above the muscle”, confirmed with real-time ultrasound throughout.
• Check your surgeon’s registration on the GMC register and ask how many BBLs they perform. At Centre for Surgery, the consultant who assesses you is the consultant who performs your surgery.
• Be wary of very low prices and very short operations. The deaths in Florida were concentrated in budget, high-volume clinics^[5].
• Prepare properly. Stop smoking and vaping, arrange 2 weeks of help at home, and buy your compression garments and a BBL cushion in advance.
• Know the warning signs. Breathlessness, chest pain or coughing blood need a 999 call. Calf pain or swelling, a fever or a red, hot incision mean you should call the clinic, or NHS 111 out of hours.

Frequently Asked Questions

Brazilian Butt Lift in London

Brazilian butt lift surgery at Centre for Surgery is performed by GMC-registered surgeons at our CQC-regulated Baker Street hospital, rated Good overall by the CQC. Fat is placed only in the layer under the skin, above the muscle, under real-time ultrasound guidance on every BBL, and surgery is carried out under TIVA as a day case. The consultant who assesses you is the consultant who performs your surgery, and follow-up appointments are included, with your surgeon’s direct number for the first 24 hours and our team on 020 7993 4849 (9am to 6pm, Monday to Saturday) after that. We recommend a two-week cooling-off period before you go ahead. Your initial consultation is £100, redeemable against the cost of surgery if you go ahead. Finance isn’t available for BBL 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. Oranges CM, Tremp M, di Summa PG, et al. Gluteal augmentation techniques: a comprehensive literature review. Aesthetic Surgery Journal 2017;37(5):560–569. doi:10.1093/asj/sjw240 ↗
2. Mofid MM, Teitelbaum S, Suissa D, et al. Report on mortality from gluteal fat grafting: recommendations from the ASERF Task Force. Aesthetic Surgery Journal 2017;37(7):796–806. doi:10.1093/asj/sjx004 ↗
3. Rios L, Gupta V. Improvement in Brazilian butt lift (BBL) safety with the current recommendations from ASERF, ASAPS, and ISAPS. Aesthetic Surgery Journal 2020;40(8):864–870. doi:10.1093/asj/sjaa098 ↗
4. Cansancao AL, Condé-Green A, Gouvea Rosique R, et al. “Brazilian butt lift” performed by board-certified Brazilian plastic surgeons: reports of an expert opinion survey. Plastic and Reconstructive Surgery 2019;144(3):601–609. doi:10.1097/PRS.0000000000006020 ↗
5. Pazmiño P, Garcia O. Brazilian butt lift-associated mortality: the South Florida experience. Aesthetic Surgery Journal 2023;43(2):162–178. doi:10.1093/asj/sjac224 ↗
6. Del Vecchio D, Kenkel JM. Practice advisory on gluteal fat grafting. Aesthetic Surgery Journal 2022;42(9):1019–1029. doi:10.1093/asj/sjac082 ↗
7. Milani Reis A, Roca Mora MM, Bicudo Bregion P, et al. Ultrasound-guided gluteal fat grafting: what is the evidence? A systematic review and meta-analysis. Aesthetic Surgery Journal 2025;46(1):57–62. doi:10.1093/asj/sjaf059 ↗
8. British Association of Aesthetic Plastic Surgeons. BAAPS gluteal fat grafting safety review and recommendations. 30 September 2022. baaps.org.uk ↗
9. Güzey S, Ergan Şahin A. Brazilian butt lift: an experience over 3000 patients. Aesthetic Plastic Surgery 2024;48(14):2677–2693. doi:10.1007/s00266-024-03965-8 ↗
10. Wang B, He P, Zhao R. B-ultrasound-assisted gluteal fat grafting in Asians: a prospective study of quantitative results from three-dimensional imaging and B-ultrasound analysis. Journal of Plastic, Reconstructive and Aesthetic Surgery 2024;94:12–19. doi:10.1016/j.bjps.2024.04.035 ↗
11. Department of Health and Social Care. Cosmetic cowboys crackdown continues with new restrictions. GOV.UK, 21 October 2026. gov.uk ↗

Related Articles

• BBL Risks: Is a Brazilian Butt Lift Safe?
• BBL Death Rate and Safety Statistics 2026
• BBL vs Butt Implants: Which Option Is Right for You?
• How Long Do BBL Results Last?