Autologous fat grafting has gained widespread popularity over the past decade for a broad range of aesthetic and reconstructive indications. The earliest references to using autologous fat date back more than 100 years. Neuber, a German surgeon, described transferring fat from the arm in 1893 to correct a deformity in the lower orbital rim and cheek. Fat injection was first described by Hollander in 1910 for restoring facial volume and correcting breast asymmetry. Due to unpredictable outcomes, fat injections originally failed to gain traction, particularly in facial aesthetics.
The renewed enthusiasm for fat grafting stems from advances in scientific research regarding the biology of adipose tissue and its unique properties, leading to the development of specialized equipment and techniques designed to preserve fat tissue. The groundbreaking discovery of stem cells within adipose tissue by Zuk et al. in 2001 undeniably marked a major breakthrough. The uniqueness of these cells lies in their ability to differentiate into a wide variety of cell types depending on the tissue of origin or culture conditions—such as nerve, bone, cartilage, and vascular cells. This capability of adipose-derived stem cells allows injected fat to promote angiogenesis (new blood vessel formation), improve local blood supply, and even replace damaged cells, thereby regenerating tissue. This distinct advantage—where autologous fat is no longer viewed merely as a volume filler, but as an active regenerative tissue—was rapidly adopted by aesthetic surgery.
The benefits of using autologous fat for facial rejuvenation are substantial. Fat is biocompatible, autologous (harvested from the patient’s own body and thus ideal as a filler material), readily available, cost-effective, and possesses a high safety profile. An added benefit is the accompanying liposuction at the donor site, which enhances body contouring in that area as well.
Meticulous technique that preserves the blood supply to fat cells ensures long-lasting results. The survival rate of injected fat cells depends heavily on the technique used. The lack of uniform objective outcome data, combined with variations in fat harvesting, processing, and injection techniques, accounts for the wide range of retention rates reported in the literature. Most series report between 40% and 70% fat retention, though some document survival rates of 90% or higher. Injecting small quantities across multiple tissue layers and directions enhances vascularization, minimizes trauma to the transferred cells, and improves overall graft survival (“take”). Occasionally, touch-up procedures may be required.
Fat grafting allows for soft tissue augmentation, offering an optimal solution for age-related facial volume loss, a more youthful and aesthetically pleasing appearance, and the correction of cosmetic facial deformities. Common aesthetic indications include cheek sculpting, filling depressions in the mid-face and jawline, softening nasolabial folds and marionette lines, chin reshaping, filling sunken temples, and lip augmentation. Fat grafting enriched with stem cells is also an effective solution for restoring soft tissue deficits in cases of hemifacial atrophy and resulting facial asymmetry.
Beyond the face, fat transfer is widely used in other body areas. It can be injected into the breasts for post-mastectomy reconstruction or for mild-to-moderate breast augmentation. In post-lumpectomy or post-mastectomy reconstruction involving radiation therapy, the regenerative capability and improved vascularity associated with fat grafting offer a major therapeutic advantage. Concerns regarding potential interference with breast imaging appear to no longer pose an obstacle; published research from the University of Lyon in France, alongside additional scientific evidence, demonstrates that diagnostic accuracy in breast imaging is not compromised after fat transfer, as experienced radiologists can readily distinguish between fat-necrosis calcifications and those associated with breast malignancy.
An additional indication for autologous fat transfer is the rejuvenation of aging, veiny hands and correcting volume loss on the back of the hands, yielding long-lasting aesthetic improvements. Alternatively, temporary dermal fillers—such as hyaluronic acid derivatives or Radiesse—can be used, though these require periodic repeat treatments. Autologous fat can also be injected to fill post-traumatic depressions and contour irregularities resulting from previous liposuction.
Autologous fat grafting performed as a standalone procedure is carried out under local anesthesia. Fat harvesting is executed via controlled aspiration utilizing a unique water-jet technology, which helps isolate the fat cells while minimizing trauma to both the donor site and the harvested tissue. Thanks to this specialized technology and a completely closed-system process—which prevents the fat cells from being exposed to room air—a double-blind controlled study demonstrated a significantly higher fat survival and viability rate compared to traditional harvesting methods. Following a centrifugation process (separating the fat from excess fluids and water), the harvested fat is injected using specialized syringes into the targeted facial areas for precision sculpting.
Fat transfer can also be performed in conjunction with a facelift surgery. Alongside tightening sagging subcutaneous tissues and trimming excess skin during the procedure, autologous fat injections restore lost volume, delivering a comprehensive, three-dimensional facial rejuvenation. Research published by the University of Miami indicates noticeable improvements in skin quality, fine line reduction, minimized pore size, and faded pigmentation spots within the first year following fat grafting.
The most common donor sites are the lower abdomen and the inner thighs/knees. Following the infiltration of a local anesthetic, fat is harvested through a minimally invasive micro-incision and undergoes specialized processing prior to injection. The fat is then meticulously administered using dedicated atraumatic cannulas. In some cases, a touch-up procedure may be required. Data from the American Society for Aesthetic Plastic Surgery (ASAPS) showed that approximately 66,000 cosmetic fat grafting procedures were performed in the U.S. in 2013 alone. As scientific research continues to advance and standardized protocols are refined, fat transfer is expected to become a primary category in aesthetic surgery and an integral part of facial contouring, as well as addressing other aesthetic and reconstructive challenges.
Dr. Sarit Cohen invites you to explore the personalized possibilities of autologous fat transfer for facial sculpting, wrinkle filling, and hand rejuvenation. Treatment plans are individually tailored following an initial examination, consultation, and guidance.
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