Is there less swelling after Airsculpt lipo and fat transfer to breasts if the person is skinny vs. on the heavier side?

Some of the retention rate will depend upon the amount of fat transferred, as smaller volumes will likely have a higher survival.  Occasionally, a patient can resorb a great deal of the fat despite optimal transfer procedures. I typically transfer from 250 cc to 400 cc or so per breast.  Thinner patients are outstanding candidates in my opinion, because the fat transferred is extremely resistant.  After the surgery you will notice some bruising and swelling in the are of injection. This usually peaks within 2-3 days after the procedure. After 72 hours the swelling and bruising rapidly subside.
Results are largely dependent upon the skill of the surgeon, his/her ability to remove fat without creating contour deformities, and your expectations. You would need a consultation with a board certified PS to determine your available fat stores.

Dear clearskinpls,
Recovery time after fat transfer is short. Regarding sun exposure, every plastic surgeon has his own postoperative protocol which he recommends to his patients. I would suggest you to discuss this with your plastic surgeon.
Daniel Barrett, MD
Certified, American Board of Plastic Surgery
Member, American Society of Plastic Surgery
Member, American Society of Aesthetic Plastic Surgery

Unfortunately, you have not provided photographs or told us your bra size.  However, an alternative to consider is a breast lift using The Bellesoma Method.  This will reshape your breast tissue creating upper pole fullness without implants, elevate them higher on the chest wall and more medial to increase your cleavage.  Vertical scars are avoided, nipple sensation (in 95%) and the ability to breast feed are maintained.  At the same time or later, fat transfers can be performed if additional volume is desired.Best Wishes,Gary Horndeski, M.D.