The available experience/evidence on fat transfer to buttocks suggests that the safest approach is injection into the subcutaneous layer rather than deeply into the muscle. Deeper injections into the muscle appear to have a higher risk for more serious bleeding and embolic complications.
A good candidate has enough fat available for transfer in the procedure. The amount of fat that can be transferred in a BBL depends on how much fat the patient has to harvest and the amount of space there is to move the fat into. It is recommended for the patient to have a BMI of 30 or less. If...
You should wait at least 2 weeks before sitting without a support cushion and sleeping on your back. Sitting with no support too soon can harm the newly moved fat cells.