In this guide7 sections
Facial fat transfer and dermal fillers both restore lost facial volume, but they are not simply two routes to the same result. Fat transfer is a surgical procedure using your own tissue, with results that are broadly permanent. Fillers are a non-surgical treatment using a gel that the body gradually breaks down — and which, crucially, can be dissolved if you dislike the result.
That reversibility is the single most underrated difference between them, and it is often the deciding factor for patients treating an area for the first time.
This guide compares both honestly: how each works, what each costs you in downtime, the risks that genuinely matter, and how to decide.
What Is Facial Fat Transfer?
Facial fat transfer — also called fat grafting or lipofilling — is a two-stage procedure. Fat is harvested by liposuction from a donor site such as the abdomen, inner thighs or flanks, processed to separate viable fat cells from blood and fluid, then injected in small aliquots into the areas of the face being treated.
It is commonly used for:
- Sunken or flattened cheeks
- Hollowing under the eyes
- Early jowling and loss of jawline definition
- Facial gauntness after significant weight loss
- Temple hollowing
How much of the fat survives?
This is the most important thing to understand before choosing fat transfer, and it is frequently glossed over.
Not all transferred fat survives. Grafted fat has no blood supply of its own initially and depends on establishing one from the surrounding tissue. A proportion is reabsorbed in the first few months, and how much is genuinely difficult to predict — it varies between patients, between facial areas, and with technique. Published studies on facial fat grafting consistently describe retention as variable rather than reliable.
Two practical consequences follow. Surgeons often overfill slightly to allow for reabsorption, which is why the face looks fuller than intended in the early weeks. And some patients need a second session to reach their target volume.
Whatever survives past around six months is generally considered permanent — it has established a blood supply and behaves like the tissue it came from, including gaining and losing volume if your weight changes substantially.
What Are Dermal Fillers?
Most dermal fillers used for facial volume are hyaluronic acid gels. Hyaluronic acid occurs naturally in skin and connective tissue, which is why allergic reaction is rare. Other filler types exist — calcium hydroxylapatite and poly-L-lactic acid among them — which behave differently and are not reversible in the same way.
Hyaluronic acid fillers are used in the cheeks, lips, nasolabial folds, tear troughs, jawline, chin and temples.
The advantage nobody mentions: they can be dissolved
Hyaluronic acid filler can be broken down on demand by injecting hyaluronidase, an enzyme that dissolves it within a day or two.
This matters more than the longevity comparison. If you dislike the result, if it settles unevenly, or if too much was placed, it can be reversed. Fat cannot — once grafted fat has survived and established a blood supply, removing it means further surgery.
For anyone treating an area for the first time, or unsure how much volume suits them, that is a substantial argument for starting with filler.
What Are the Risks?
Risks of dermal fillers
Filler is a low-risk treatment in experienced hands, but it is a medical procedure and the serious complication is worth stating plainly rather than in passing.
The significant risk is vascular occlusion — filler entering or compressing a blood vessel and interrupting the blood supply to the tissue it feeds. Where that tissue is skin, the result is skin necrosis. Where the vessel connects to the retinal circulation, the result can be partial or complete loss of vision, which is generally irreversible.
This is uncommon, but it is the reason injector training and anatomical knowledge matter far more than the product used. Risk is highest in areas with dense vascular anatomy close to the ophthalmic circulation — the glabella between the brows, the nose, and the tear trough.
Signs requiring immediate attention include disproportionate pain at or after injection, blanching or mottled discolouration of the skin, and any visual disturbance. Vascular occlusion is treated urgently with hyaluronidase, and outcomes depend heavily on how quickly it is recognised.
More common and far less serious: bruising, swelling, tenderness, lumpiness, and temporary asymmetry. Bruising in particular can last a week or more rather than the 48 hours often quoted.
Risks of fat transfer
Fat transfer is surgery and carries surgical risks — bleeding, infection, and the risks of anaesthesia. Specific to the procedure:
- Unpredictable retention, as above, sometimes requiring a second session
- Contour irregularity or lumpiness, particularly where fat is placed superficially
- Fat necrosis — where grafted fat fails to establish a blood supply and forms firm nodules or oil cysts
- Donor site effects — bruising, swelling and occasionally contour irregularity where the fat was harvested
- Vascular complications — rare, but fat injected under pressure into a facial vessel carries the same theoretical embolic risk as filler
Fat Transfer vs Fillers: Side-by-Side
| Aspect | Facial fat transfer | Dermal fillers |
|---|---|---|
| Material | Your own fat | Hyaluronic acid gel |
| Procedure | Surgical, usually under sedation or TIVA | Non-surgical, topical anaesthetic |
| Longevity | Surviving fat is broadly permanent | Typically 6–18 months depending on product and site |
| Reversible? | No | Yes — dissolvable with hyaluronidase |
| Predictability | Variable retention; may need a second session | Volume placed is the volume you get |
| Downtime | 1–2 weeks; swelling settles over 2–3 months | Minimal; bruising up to a week |
| Donor site | Required — with its own recovery | None |
| Volume achievable | Larger volumes in one session | Limited per session |
| Upfront cost | Higher | Lower, but repeated |
Which Should You Choose?
Fillers tend to suit you if you are treating an area for the first time, want minimal downtime, prefer a reversible option, need a modest amount of volume, or want to see whether you like the effect before committing.
Fat transfer tends to suit you if you need larger volume restoration, want a result that does not require repeating, already have a donor site you would happily reduce, prefer your own tissue to a manufactured product, or have found the cumulative cost of maintaining filler adds up.
Combining both is common — fat for deeper structural volume in the cheeks and temples, filler for finer work in areas where precision matters more than volume.
One point worth making plainly: neither procedure lifts skin. Where the primary problem is laxity rather than lost volume, adding volume to a descending face tends to make it look heavier rather than younger. A facelift — or in younger patients a ponytail facelift — addresses a different problem, and a good consultation should tell you which one you actually have.
Frequently Asked Questions
Is facial fat transfer permanent?
Fat that survives the first several months has established a blood supply and is generally permanent. A variable proportion is reabsorbed before that point. See our fuller answer on whether facial fat transfer is permanent.
How long do dermal fillers last?
Typically six to 18 months, depending on the product, the area treated and individual metabolism. Mobile areas such as the lips break filler down faster than static areas such as the cheeks.
Can dermal fillers be removed?
Hyaluronic acid fillers can be dissolved with hyaluronidase, usually within a day or two. Non-hyaluronic acid fillers such as calcium hydroxylapatite and poly-L-lactic acid cannot be reversed this way — worth confirming which type you are being offered.
Which is cheaper — fat transfer or fillers?
Fillers cost less per treatment; fat transfer costs more upfront. Over several years of maintaining filler, the difference narrows considerably. Cost alone is rarely the deciding factor.
Can I have fat transfer if I am slim?
Usually yes — facial fat grafting requires relatively small volumes, and most people have a suitable donor site even at a low body weight. Your surgeon will assess this at consultation.
How long is recovery after facial fat transfer?
Most people take one to two weeks away from work. Swelling settles substantially over two to three weeks, with the final result apparent at around three months once reabsorption has completed. Our fat transfer recovery guide covers the timeline.
Does fat transfer improve skin quality?
Grafted fat contains regenerative cells, and improvements in skin texture are frequently reported after facial fat grafting. The evidence for this effect is still developing, and it should be regarded as a possible additional benefit rather than a reason to choose the procedure.
What about facial implants?
For structural augmentation of the cheekbones or chin, implants are a further option with different trade-offs — see our comparison of facial implants vs fillers.
Facial Volume Restoration at Centre for Surgery
Facial fat transfer at Centre for Surgery is performed by GMC-registered plastic surgeons at our CQC-regulated facility on Baker Street in Marylebone.
Fat transfer is not reversible, so consultation focuses on whether volume is genuinely the right answer for your face — and where it is not, we will say so.
- 📞 Phone: 020 7993 4849
- 📧 Email: contact@centreforsurgery.com
- 📍 Address: 95-97 Baker Street, Marylebone, London W1U 6RN
- Contact us to schedule your consultation
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