What is the maximum amount of fat that can be injected into each cheek during a BBL in Toronto?

There is not one universal maximum amount of fat that can be injected into each buttock cheek during a BBL. The safe volume depends on your anatomy, how much usable donor fat you have, the capacity and tightness of your buttock skin, your overall health, and the surgeon's technique. A small, tight buttock may safely accept much less fat than a larger, looser tissue envelope.

For many patients, the injected volume can range from a few hundred cc per side to higher amounts, but the number itself is not the most important safety factor. Fat should be placed only in the appropriate subcutaneous layer and not into the gluteal muscle. Chasing a very large volume can increase pressure, compromise fat survival, create contour problems, and may increase risk if unsafe planes are used.

During consultation, ask your plastic surgeon what volume they think your tissues can safely accept, where the fat will be placed, what safety measures they use, and what result is realistic with your donor fat. A conservative, well-shaped BBL is usually safer and more predictable than trying to reach a specific maximum cc number.

For the most part, medical decisions are left up to individual providers.
The BBL and Liposuction in general have been highly scrutinized in the state of Florida because it became a hotspot for low cost BBL surgery with a number of providers doing surgery who liked proper qualifications offering low price discount cosmetic surgery.
The state experienced an alarming number of fatalities from just this procedure, and as as usual with the government intervention, they overreacted.
My understanding is that Florida limits fat removal to 4 L so fat.
Only 1 L of fat could be removed if another procedure is done in conjunction.
I don’t think Florida has rules on how much fat can be grafted, but there are rules about how much fat can be harvested.
I personally live in California, and California also has a limit on not removing more than 5 L of fat during one procedure as an outpatient operation.
In most locations, there are no loss or rules. Dictating specific numbers, but there are general safety recommendations, such as the 5 L limit, which has been a standing safety recommendation by the American society of plastic surgeons for many years.
My best guess is that Toronto does not have specific legislation to limit plastic surgeons ability to operate.
It’s very rare that somebody needs more fat grafted than can be harvested even with locations that have restrictions.
Best,
Mats Hagstrom, MD