Fat Grafting Gone Wrong: Correcting an Overfilled or Uneven Face
For faces that look heavier, puffier, lumpy or uneven after facial fat grafting (fat transfer). Medical Director Dr Sin Yong explains what can be done without surgery, and when a surgical opinion is the better route.
Related correction: filler correction in Singapore and overfilled face correction.
WhatsApp to Enquire →Key facts ↓When facial fat grafting goes wrong, the usual problems are too much volume, fat that has grown with weight gain, lumps or firm nodules, and uneven or hollow areas where fat did not survive. Grafted fat that survives behaves like your own fat, so it cannot be dissolved like filler. At IN Eternity Clinic, Dr Sin Yong maps the area by ultrasound, then plans correction: superficial excess can, in selected cases, be reduced with Time Freeze Laser LCLR® lipo-modelling, and hollow or uneven areas can be balanced. Some cases need a surgeon.
- Grafted fat is long-lasting: the surgeon who popularised structural fat grafting described surviving grafted fat as more than a temporary filler [1], which is why an overfilled result does not simply fade.
- It changes with your weight: because grafted fat is living fat, an area can look fuller after weight gain years after the procedure.
- Imaging comes first: ultrasound is used to identify what is under the skin after cosmetic procedures before deciding what to treat [2].
- Laser energy can reduce small fat pockets: laser energy delivered into fat disrupts fat cells and tightens the skin above, the rationale behind laser lipolysis [3].
- Results vary: how much can be corrected depends on how much fat survived, where it sits and the skin over it. Suitability is decided at an in-person assessment.
What does fat grafting gone wrong look like?
- An overfilled face: cheeks, temples or the area under the eyes look heavy or rounded, sometimes described as a pillow face.
- Fuller than it was years ago: grafted areas that grew after weight gain.
- Lumps or firm nodules: small, firm areas that can be felt or seen, sometimes from fat that did not survive (fat necrosis or oil cysts).
- Uneven or patchy results: one side fuller than the other, or dips where fat did not take.
- Under-eye fullness: fat grafted to the tear trough can look puffy or lumpy because the skin there is thin.
Why fat transfer results can go wrong
A fat graft is harvested from your own body, usually the abdomen or thighs, and injected into the face. Some of the fat survives and some does not, and how much survives varies from person to person. To allow for loss, surgeons often place more than the final volume needed. When more survives than expected, the face can look overfilled.
Fat that survives is living tissue with a blood supply [1]. It does not dissolve, and it can enlarge if you gain weight. Fat that does not survive can leave small firm nodules or oil cysts. Grafting into thin-skinned areas such as the under-eye makes any irregularity easier to see.
How fat grafting correction is planned at IN Eternity
- History: when the fat transfer was done, how many sessions, where fat was placed, and any filler before or after.
- Ultrasound mapping: to see grafted fat, nodules, cysts and any filler in the same area [2].
- Reduce what is too full: in selected cases, superficial excess fat in small zones is reduced with the lipo-modelling part of Time Freeze Laser LCLR®, which also tightens the skin above [3].
- Balance what is too thin: dips and hollows where fat did not take can be evened out, for example with small amounts of filler or a collagen stimulator such as Juvelook or Sculptra.
- Stage it: fat reduction is gradual, over weeks, and the face is reviewed before each step.
Non-surgical correction suits small or moderate excess and mild irregularity. Large volumes of surviving fat, or nodules and cysts that need removing, are better assessed by a surgeon, and Dr Sin Yong will say so.
Is it the fat or filler on top of it?
Many faces that look overfilled after fat grafting also have filler added before or after. Hyaluronic acid filler can be dissolved with hyaluronidase; fat cannot. Ultrasound helps separate the two, so dissolving is used only where it can work. See filler correction and how dissolving filler works.
Common areas for fat grafting correction
- Cheeks and mid-face: the most common area for an overfilled look.
- Under the eyes: fullness or lumps that are easy to see through thin skin; treated cautiously. See also under eye filler removal.
- Temples and forehead: bulging or uneven contour.
- Jawline and chin: heaviness of the lower face, often combined with laxity; see laser fat reduction for the face.
When a fat graft needs prompt medical review
A grafted area that becomes red, hot, painful or swollen, or drains fluid, can mean infection and should be examined soon, ideally by the surgeon who did the procedure. Any change in vision after facial fat grafting is an emergency.
What Dr Sin Yong looks for
- Where the grafted fat sits, how much is there and how deep.
- Firm nodules or cysts that may need a surgical opinion.
- Filler in the same area that could be dissolved.
- Skin quality and laxity over the area.
- Your weight history and plans, since grafted fat changes with weight.
Frequently asked questions
Can fat grafting be reversed?
Not like filler. Surviving grafted fat is living tissue, so there is no injection that dissolves it. Excess can be reduced gradually, in selected cases with laser lipo-modelling, or removed surgically where the volume is large.
Can fat transfer be dissolved?
No. Hyaluronidase only dissolves hyaluronic acid filler. If filler was also used in the same area, that part can be dissolved, which is why the area is mapped by ultrasound first.
Why does my face look bigger years after fat grafting?
Grafted fat behaves like fat from where it was taken, so it can grow with weight gain. Filler added later can also build up. Both are checked at assessment.
What are lumps after fat grafting?
They can be clusters of surviving fat, fat that did not survive and became firm (fat necrosis), or small oil cysts. Some settle; some need treatment or removal. Ultrasound helps tell them apart.
How long after fat grafting can correction start?
Usually once the result has settled, which takes several months. Earlier review makes sense if there is pain, redness or a lump that is growing.
Do I need surgery to fix fat grafting gone wrong?
Not always. Small or moderate excess and mild unevenness may be improved without surgery. Large volumes, or nodules and cysts that need removing, are better assessed by a surgeon.
Book an assessment
IN Eternity Clinic, 9 Scotts Road, #12-01 Pacific Plaza, Singapore 228210. By appointment with Medical Director Dr Sin Yong. Monday to Saturday, 11am to 8pm. WhatsApp or call +65 8815 3008. At IN Eternity Clinic a consultation fee applies, and it is waived if you go ahead with any medical treatment; the fee is S
International KOL — CLASSYS · HIRONIC · DEKA · ALMA · FOTONA · LUTRONIC
References
- Coleman SR. Structural fat grafting: more than a permanent filler. Plast Reconstr Surg 2006;118(3 Suppl):108S-120S. doi:10.1097/01.prs.0000234610.81672.e7
- Wortsman X. Identification and complications of cosmetic fillers: sonography first. J Ultrasound Med 2015;34:1163-1172. doi:10.7863/ultra.34.7.1163
- Badin AZ, Moraes LM, Gondek L, Chiaratti MG, Canta L. Laser lipolysis: flaccidity under control. Aesthetic Plast Surg 2002;26:335-339. doi:10.1007/s00266-002-1510-3
Figures taken from the published papers and abstracts. Results vary between people; suitability is decided at an in-person consultation.