The Dispatch

The Science

Procedure facts, honest recovery timelines, and the safety advances that changed how this operation is performed, reported without the marketing gloss.

10 results in The Science

The Science· 5 min

Why BBL Results Shrink: The Science of Fat Graft Survival

Surgeons routinely warn patients that 20 to 50 percent of transferred fat will not survive. Here is the biology behind that number, what actually kills grafted fat, and which factors patients can realistically influence.

August 5, 2026 / By Kofi Adusei

The Science· 4 min

Why the Needle's Depth Matters More Than Anything Else in a BBL

The single biggest safety change in Brazilian Butt Lift surgery over the past decade has nothing to do with fat harvesting or anesthesia. It comes down to one anatomical rule: keep the cannula out of the muscle.

August 5, 2026 / By Kofi Adusei

The Science· 5 min

The 72 Hour Window: How Transferred Fat Actually Survives a BBL

Fat grafting is not filler. It is a live tissue transplant, and most of the outcome is decided in the first few days after surgery. Here is the physiology behind graft take, why some fat dies no matter what, and which variables patients can actually influence.

August 2, 2026 / By Kofi Adusei

The Science· 7 min

Nicotine Before a BBL: Why Vapes and Pouches Count, and What the Clearance Calendar Actually Looks Like

Most patients quit cigarettes and assume they are done. The vape, the patch, and the pouch deliver the same vasoconstrictor to the same capillary bed that has to keep transferred fat alive, and a BBL is the one operation where that capillary bed is the entire result.

July 25, 2026 / By Elspeth Marchetti

The Science· 7 min

Fat Necrosis After a BBL: What Those Hard Lumps Are and When to Worry

Weeks after surgery, a firm nodule appears under the skin. Most of the time it is grafted fat that did not survive, and it is harmless. Knowing which lumps are normal and which are not is the difference between waiting it out and calling your surgeon tonight.

July 22, 2026 / By Kofi Adusei

The Science· 6 min

BBL for Hip Dips: Can Fat Transfer Fill Lateral Depressions?

Hip dips are one of the most searched reasons patients consider a BBL. Fat transfer can genuinely soften them, but only for the right anatomy, and only within honest limits.

July 20, 2026 / By Kofi Adusei

The Science· 6 min

How Much Fat Does a BBL Need? Donor Sites, Volume, and the Limits of Transfer

Slim patients worry they lack the fat; others assume more transfer means a bigger result. The arithmetic of donor sites and graft volume says otherwise on both counts.

July 5, 2026 / By Kofi Adusei

The Science· 6 min

Why Fat Survival Rate After BBL Varies So Widely From Patient to Patient

The biology behind graft retention is more complex than most surgeons explain at consultation. Here is what the research actually shows.

June 10, 2026 / By Kofi Adusei

The Science· 5 min

Are you a good BBL candidate?

Donor fat, skin quality, health status, and expectations all decide.

March 9, 2026 / By Elspeth Marchetti

The Science· 6 min

What a Brazilian butt lift actually is

It is fat transfer, not an implant, and that distinction shapes everything.

October 23, 2025 / By Elspeth Marchetti

Dispatches · BBL