The Brazilian Butt Lift (BBL) has undergone a significant safety transformation over the past several years. Updated protocols have dramatically improved the safety profile for patients seeking buttock augmentation through fat transfer.

What Is a BBL? The Brazilian Butt Lift is a two-step body contouring procedure. First, liposuction harvests fat from donor areas — most commonly the abdomen, flanks, lower back, and inner thighs. Second, the purified fat is carefully injected into the buttocks to add volume, improve projection, and create an S-curve silhouette. Because it uses the patient's own natural fat rather than implants, the results feel natural and the donor areas benefit from contouring.

The 2026 Safety Standard: Fat must be injected only into the subcutaneous layer (above the gluteal muscle fascia), never into the muscle itself. Intramuscular fat injection carries a risk of fat embolism — historically the cause of BBL's elevated mortality rate. ABPS and ASAPS guidelines now mandate subcutaneous-only injection. Many practices also use ultrasound guidance. Patients should ask their surgeon specifically about injection technique before proceeding.

Ideal Candidates: Patients at or near ideal body weight with adequate fat donor sites, good skin elasticity, and no history of clotting disorders. Very lean patients may not have sufficient donor fat for significant augmentation.

Recovery: Avoiding direct pressure on the buttocks for 6–8 weeks is the most critical instruction. Patients use a BBL pillow positioning weight on the thighs when sitting. Sleeping on the stomach or side is required for 6–8 weeks. Approximately 60–70% of transferred fat survives long-term once blood supply is established.

For a consultation on BBL surgery in San Diego, visit sadrianplasticsurgery.com. Dr. Sadrian performs BBL using the latest safety guidelines in a QUAD A accredited surgical facility.