Brazilian Butt Lift (BBL): the gluteal fat transfer guide

Brazilian Butt Lift: indications, safety and results

The Brazilian Butt Lift (BBL), or gluteal fat transfer, has become one of the most requested body-contouring procedures in the world in just a few years. The ISAPS figures bear this out: body surgery rose from 2.6 million procedures in 2009 to more than 5.1 million in 2023, and buttock augmentation is among the fastest-growing of them. The appeal makes sense: a BBL sculpts a more feminine shape using your own fat alone, with nothing foreign involved.

The technique goes back to the late 1980s and the work of the Brazilian surgeon Luiz Toledo, who laid the groundwork for autologous fat transfer (moving your own fat) to the buttocks. Protocols have been refined steadily ever since, up to today’s international guidelines, which make the BBL both reliable and repeatable when it’s carried out properly.

Who is a BBL for?

A BBL is mainly for people who want to correct flat, sagging or uneven buttocks, or bring back some shape after significant weight loss. The reasons vary from one person to the next: some come to soften a figure they feel is too straight up and down, some after a pregnancy or weight loss that has left the buttocks looking flat, and others simply to rebalance the proportions between the waist and the hips.

For the operation to give its best, a few things need to be in place beforehand:

• enough fat in reserve in the donor areas (tummy, hips, thighs, back);
• a stable weight and a BMI under 30;
• skin with good elasticity over the buttocks;
• good general health, with no ongoing medical condition.

When there isn’t much fat to work with, our surgeons look at the options with you, because the quality of the result depends directly on how much fat is available and how well it’s spread. A slim, long-limbed build doesn’t rule out the operation, but it sometimes points towards a more modest plan, done in stages, or a combination with other contouring techniques.

Contraindications to be aware of

Some situations make a BBL unsafe and need to be ruled out at the pre-operative assessment:

• being very thin, which leaves too little fat to work with and raises the risk of irregularities;
• smoking, which harms healing and the fat’s ability to take by reducing blood supply to the tissues, so it has to stop completely for several weeks before and after surgery;
• poorly controlled diabetes and a weakened immune system, which impair healing;
• a history of clotting disorders such as phlebitis or pulmonary embolism, because of the raised vascular risk;
• pregnancy and breastfeeding, which put any plans on hold as a precaution.

A thorough pre-operative consultation rules these risks out and keeps you safe.

Is a BBL safe?

For a long time the BBL had a reputation as one of the riskiest cosmetic operations, because of the danger of a pulmonary fat embolism when fat was injected too deep, into the muscle. The mechanism is now well understood: the perforating veins that run through the gluteal muscle can be nicked by the cannula and let clumps of fat into the bloodstream, which can then travel to the lungs. That era is behind us, thanks to the international guidelines drawn up by the major professional bodies (ASERF, ASAPS, ISAPS).

The progress has been striking. After those recommendations spread, the death rate linked to the BBL fell from 1 in 3448 in 2017 to 1 in 14952 in 2019, and the rate of fat embolism was more than halved. The golden rule fits in a single sentence: fat must go only into the layer just under the skin, never into the gluteal muscle. The newest techniques go further still:

• ultrasound-guided injection, which lets the surgeon see the injection plane in real time and avoid the deeper vessels;
• the use of wide, blunt-tip cannulas, which are safer;
• an anaesthetic backed by a full pre-operative work-up.

A recent meta-analysis of ultrasound-guided BBLs recorded no deaths and no fat embolisms at all across more than 6000 patients. That puts the operation on the same safety footing as the other major cosmetic procedures. That same care is exactly what you’ll find if you choose a Brazilian Butt Lift in Istanbul at our clinic.

Preparation and recovery: what you need to know

Getting ready for a BBL starts several weeks ahead. A full set of blood tests, an ECG and a review with the anaesthetist confirm you’re fit and let them tailor the anaesthetic to you. You’ll get clear instructions on stopping smoking, pausing certain blood-thinning medicines if needed, and keeping well hydrated in the days beforehand.

On the day, the operation takes 2 to 4 hours depending on how much fat is being transferred. You stay one night at the clinic for close monitoring, then move to your hotel the next day. In the first days you’ll feel some mild discomfort where the liposuction was done and a tight feeling across the buttocks, both eased by the painkillers you’re given.

Recovery then follows a well-mapped timetable. For the first 2 to 3 weeks, avoid sitting for long so you don’t press on the freshly transferred fat: you sleep on your front and sit on a special cushion made to take the weight off your buttocks. The compression garment is worn for 4 to 6 weeks to support the tissues and help the donor areas heal. Lymphatic drainage sessions are often prescribed to bring the swelling down faster and make you more comfortable. A desk job is usually doable again after 3 to 4 weeks, while high-impact sport waits until the end of the second month.

What results can you expect from a BBL?

The real draw of the BBL is its twofold aesthetic payoff: liposuction slims the areas carrying excess fat, while the reinjection shapes and lifts the buttocks. So you come out slimmer at the waist and fuller at the buttocks, for an hourglass figure.

One thing to know, though: some of the transferred fat is naturally reabsorbed by the body over the first few months. That’s why the final result is best judged after 6 to 12 months, once the remaining fat has built a lasting blood supply. Your surgeon plans for this partial loss from the outset: a little more fat is injected than the final volume you’re after, so that once things settle the result matches what you set out to achieve.

Many patients say they are pleased with the volume once the result has settled. Many patients say they are pleased with the volume once the result has settled. To hold onto that result over time, keeping a stable weight is the main thing, since the transferred fat cells behave like those everywhere else: they grow if you gain weight and shrink if you lose it.

Choosing your surgeon: what really makes the difference

How safe your BBL is, and how good the result, rests largely on the team looking after you. A few things set a genuinely specialist surgeon apart from an occasional one:

• a recognised qualification in plastic surgery, the bedrock of any serious plan;
• a documented track record over several hundred operations of this kind;
• routine use of ultrasound during surgery, a strong marker of safety;
• working in our partner clinic in Istanbul, selected for its facilities and its surgeons’ experienceworking in our partner clinic in Istanbul, selected for its facilities and its surgeons’ experience;
• being open about the techniques used, with structured post-operative follow-up.

At Body Expert, our surgeons who specialise in body contouring operate in a modern, well-equipped clinic in central Istanbul, with operating theatres built to international standards and the latest equipment. Every patient gets a plan made for them and full English-speaking support, from the first consultation through to the moment the result settles.

The BBL alongside other procedures

A BBL often sits within a wider reshaping plan. It can be paired with a tummy tuck to firm up the abdominal wall, or form part of a mommy makeover after a pregnancy. For anyone who has lost a lot of weight, body contouring after weight loss is a fitting answer to loose, stretched skin. And fat transfer works on the same principle of moving your own fat, applied to other parts of the body.

In summary

A Brazilian Butt Lift, or gluteal fat transfer, adds volume to the buttocks using your own fat, with no implant and nothing foreign. It works two ways: liposuction slims the tummy, hips or thighs, while the purified fat brings shape back to the buttocks. In a single operation, you gain a more defined figure and rounder buttocks.

Safety has taken a real leap in recent years. Placed only just under the skin, never into the muscle, and guided by ultrasound, this buttock surgery now carries a level of risk on a par with other body-contouring operations. Reckon on 2 to 4 hours in theatre, a night on site, then a result that sharpens up between the 6th and 12th month, once the fat has settled in for good. The key to making it last: a stable weight.

One thing to know before you commit: you need enough fat in reserve and good general health, and some situations (smoking, being very thin, clotting disorders) put things on hold. The pre-operative consultation settles the question.

In Istanbul, our body-contouring surgeons carry out your BBL in a clinic built to international standards, with English-speaking support from your first message through to follow-up. On budget, you can aim for up to 70% savings on UK prices: the breakdown of the packages sits in the price list higher up this page. Want a clear read on your own case? Ask for your free, personalised quote, with an answer within 24 hours.

Sources and references

1. Rios, L. Jr., & Gupta, V. (2020). Improvement in Brazilian Butt Lift (BBL) safety with the current recommendations from ASERF, ASAPS, and ISAPS. Aesthetic Surgery Journal, 40(8), 864-870. https://doi.org/10.1093/asj/sjaa098
2. Mofid, M. M., Teitelbaum, S., Suissa, D., et al. (2017). Report on mortality from gluteal fat grafting: recommendations from the ASERF Task Force. Aesthetic Surgery Journal, 37(7), 796-806. https://doi.org/10.1093/asj/sjx004
3. Triana, L., Palacios Huatuco, R. M., Campiglio, G., & Liscano, E. (2024). Trends in surgical and nonsurgical aesthetic procedures: A 14-year analysis of the International Society of Aesthetic Plastic Surgery (ISAPS). Aesthetic Plastic Surgery, 48(20), 4217-4227. https://doi.org/10.1007/s00266-024-04260-2
4. Reis, A. M., Roca Mora, M. M., Bregion, P. B., Kreutz-Rodrigues, L., Camp, S., & Sharaf, B. A. (2026). Ultrasound-guided gluteal fat grafting: What is the evidence? A systematic review and meta-analysis. Aesthetic Surgery Journal, 46(1), 57-62. https://doi.org/10.1093/asj/sjaf059