The Journal · Body contouring

BBL or buttock implants: which is right for you?

Medically reviewed by Dr. Paulo Michels · Brazilian board-certified plastic surgeon · 7 min read · Updated July 2026

The short answer: it mostly depends on your donor fat. A BBL uses your own fat — harvested with VASER and grafted under real-time ultrasound — to reshape the whole silhouette, and suits patients with fat to spare. Buttock implants use a silicone implant, and suit very slim patients who lack donor fat.

What is a BBL?

A Brazilian Butt Lift adds shape using your own fat, not an implant. Fat is sculpted from the waist, flanks and back with VASER ultrasound liposuction — a high-definition harvest that slims and defines those areas — then grafted into the buttocks. Because it removes fat from around the waist and adds it to the buttocks, a BBL improves the whole silhouette, not just the buttock itself.

The single most important part of a modern BBL is safety. Dr. Paulo Michels grafts fat only into the subcutaneous plane, above the muscle — never into muscle — under real-time ultrasound that shows the exact depth of the cannula at all times. This is the technique that has made the operation dramatically safer than the BBLs that gave it a frightening reputation.

What are buttock implants?

Buttock implants use a soft, durable silicone implant to provide firm, lasting central projection that does not depend on fat survival. Unlike fat, the implant is placed in the intramuscular plane — within the gluteus maximus muscle itself — for the most stable, well-concealed position. For a very slim patient with little fat to harvest, an implant is the only way to achieve real volume.

In practice, Dr. Paulo Michels most often performs a composite gluteoplasty: the implant gives the projection, and whatever donor fat is available is grafted over and around it to soften its edges and blend it into your own contour. It brings together the strengths of both methods.

BBL vs buttock implants: how do you choose?

The decision turns mostly on how much donor fat you have and how much projection you want.

• Donor fat. A BBL needs enough fat to harvest; an implant needs none. This is usually the deciding factor.
• The material. A BBL uses your own tissue for the most natural result and also slims the waist; an implant is a silicone device that adds volume where fat cannot.
• The plane. BBL fat goes only into the subcutaneous layer under ultrasound; an implant sits within the muscle.
• Projection and permanence. An implant gives firm, predictable projection that stays; fat gives a soft, natural result, though part of the graft is reabsorbed as it settles.

Which one is right for you?

If you have plenty of fat to spare, a BBL is usually the most natural choice — it reshapes the buttocks and refines the waist in one operation. If you are very slim and simply do not have enough donor fat, or you want more projection than fat grafting can reliably deliver, an implant — ideally a composite implant-plus-fat — is the better route. Neither is universally superior; the right answer is the one that matches your body.

What matters most is an honest assessment: how much donor fat you actually have, the projection you want, and the trade-offs of each — partial fat reabsorption on one side, an implanted device on the other. Dr. Paulo Michels assesses and operates at Elyzee Hospital in Abu Dhabi, for patients from both Abu Dhabi and Dubai, and decides the route with you at consultation.

Frequently asked questions

Is a BBL better than buttock implants?

For most patients with fat to spare, a BBL gives the most natural result and improves the whole silhouette by slimming the waist as it shapes the buttocks. Buttock implants are considered mainly for very slim patients who do not have enough donor fat for a fat-only BBL. The right choice depends on your body, not on one being universally better.

Can I get a BBL if I am very slim?

Not always with fat alone — a BBL needs enough donor fat to harvest. If you are very slim, a silicone implant, ideally as a composite augmentation with whatever fat is available grafted over the top, is usually the better route to real, lasting volume.

Are buttock implants safe, and do they feel natural?

Modern gluteal implants are soft and durable. Placing them within the muscle gives a thick, natural cover, and in a composite procedure the grafted fat over the top softens them further, which keeps the result feeling natural and stable rather than firm or mobile.

What is a composite buttock augmentation?

It combines a silicone implant for firm, lasting central projection with fat transfer grafted over and around it for a soft, natural finish. The implant gives the volume a slim frame cannot get from fat alone; the fat blends it into your own contour.