A Brazilian butt lift (BBL) is a cosmetic surgery that uses your own body fat to reshape and add volume to your buttocks. Unlike implants, a BBL transfers fat harvested from other parts of your body through liposuction, then reinjects it into the buttock area. It’s one of the fastest-growing cosmetic procedures in the world, but it also carries serious risks that make it worth understanding thoroughly before considering.
How the Procedure Works
A BBL is a two-part surgery. The first stage is liposuction, where a plastic surgeon removes fat from donor sites on your body. Common harvesting areas include the lower back, hips, inner thighs, and outer thighs. Your surgeon will evaluate which areas have enough fat to work with and which will create the most complementary body contour once the fat is removed.
Once the fat is collected, it’s processed and purified to isolate healthy fat cells. The surgeon then reinjects that fat into specific areas around the buttocks to create a fuller, rounder shape. Current safety guidelines recommend injecting fat only into the subcutaneous layer (the fat layer just beneath the skin) rather than deeper into the muscle. Surgeons following updated protocols use ultrasound guidance to verify the injection tool stays in the correct tissue layer throughout the procedure, and professional guidelines now cap surgeons at three BBL cases per day to reduce fatigue-related errors.
Who Is a Good Candidate
Because a BBL relies on your own fat, you need enough donor fat available for harvesting. Most board-certified plastic surgeons recommend a BMI between 23 and 30. Below 23, you may not have enough fat for a meaningful transfer. Some practices accept patients with a BMI up to 32, but the risks climb significantly at that point: higher BMIs are linked to increased anesthesia complications, blood clots, poor wound healing, and infections. A BMI above 32 is generally considered outside the safe range for this procedure.
Beyond BMI, good candidates are nonsmokers in stable health. If you have poorly controlled blood pressure, diabetes, or blood clotting disorders, those conditions need to be managed well before surgery is an option. Surgeons also look for realistic expectations. A BBL can enhance your shape, but the final result depends on how much fat your body has to work with and how much of it survives the transfer.
How Much Fat Survives
Not all of the transferred fat will make it. Some of the injected fat cells don’t establish a blood supply in their new location, and those cells are gradually absorbed by your body over the first few months. While exact survival rates vary by patient and technique, the result you see at around six months is generally what you’ll keep long-term.
Where the fat is placed matters. Muscle tissue has a richer blood supply than the fat layer beneath the skin, which is why surgeons historically injected fat into the muscle for better survival rates. That approach has largely been abandoned because of the fatal risks it carries. Modern subcutaneous techniques sacrifice some graft retention in exchange for dramatically improved safety. Factors like your overall health, how gently the fat was handled during processing, and how well you follow post-operative instructions all influence how much volume you retain.
Recovery and Sitting Restrictions
Recovery from a BBL is more demanding than many people expect, largely because of the sitting restrictions. Most surgeons require you to avoid putting direct pressure on your buttocks for at least three to four weeks after surgery. That means no sitting normally, no lying on your back, and generally spending your time standing, walking gently, or lying on your stomach or side. When you do eventually sit, you’ll likely use a BBL pillow, a specially designed cushion that shifts your weight to your thighs and away from the grafted fat.
You’ll also wear a compression garment (sometimes called a faja) for several weeks. This helps control swelling, supports the new contours, and keeps the skin tight against the reshaped areas where liposuction was performed. Many surgeons also recommend lymphatic massage sessions during recovery to reduce fluid buildup and promote healing. Expect to take at least two weeks off work, longer if your job involves sitting for extended periods. Swelling can persist for months, so the final shape won’t be fully visible for about six months.
Risks and Complications
The BBL has historically had one of the highest mortality rates of any cosmetic surgery. The most dangerous complication is a fat embolism, which occurs when injected fat enters a damaged vein in the gluteal muscles and travels to the lungs. Postmortem studies have confirmed this requires two things to happen simultaneously: fat injected into the muscle layer, and an injury to a gluteal vein. This is exactly why current guidelines strictly require subcutaneous-only injection with ultrasound monitoring.
Non-fatal complications are more common. Fat necrosis occurs when some of the transferred fat cells die and form firm lumps beneath the skin. These nodules can cause localized pain, inflammation, and visible contour irregularities. Fat necrosis can sometimes look like an abscess or other concerning mass on imaging, which may require additional evaluation. Seromas (pockets of fluid), infection, and asymmetry are also possible. The liposuction portion of the surgery carries its own risks, including uneven fat removal and skin irregularities at the donor sites.
What It Costs
The national average cost of a BBL is about $8,686, based on 2024 pricing data, but the range runs from roughly $6,700 to nearly $17,000. The price depends on several factors: how many areas need liposuction, how long the surgery takes, the type of anesthesia, and whether the procedure is done in an outpatient surgery center or a hospital.
The sticker price rarely covers everything. Budget for compression garments, a BBL pillow, lymphatic massage sessions, prescription medications, and follow-up appointments. If you’re combining a BBL with other procedures like a tummy tuck or breast augmentation, the total cost increases accordingly. Insurance does not cover BBLs since it’s an elective cosmetic procedure. Extremely low-cost BBLs, particularly those offered abroad or at cut-rate clinics, correlate with higher complication rates. The surgeon’s experience, the quality of the facility, and proper safety protocols are the most important variables in both your results and your safety.