Fat can be harvested from multiple areas including the neck for BBL. In general, it includes liposuction of the abdomen, flanks, back, thighs, and arms.
Thank you for your question but this question should be directed towards your surgeon, as he/she is in charge of your care. I recommend about 10-12 massages after surgery (2-3 per week). This can be combined with ultrasound and radiofrequency therapy to modulate the post-operative inflammation.
Far more important than the technique is the skill and experience of your plastic surgeon. Choose your surgeon rather than the technique and let them explain why one technique may be better than another. See the below link on some suggestions on finding the most qualified Plastic Surgeon for y...