At a glance
I cannot guarantee the percentage of transferred fat that will remain in your face. A meta-analysis of 27 studies involving 1,011 patients reported a pooled retention estimate of 47%, with substantial variation and an influence from the measurement method.1 That figure summarizes research; it is not your personal forecast. I explain this uncertainty during planning and assess your progress before considering whether any additional treatment would be appropriate.
The accompanying image is an AI-generated illustration. It does not show a patient or the result of fat grafting.
Start with the improvement, then discuss the number
If you have read that some transferred fat may not remain, you may wonder whether the treatment is worthwhile or whether more should be placed at the outset. Those are reasonable questions. I do not answer them by multiplying a proposed volume by an average found online.
First, I want to identify the region we are discussing and what we intend to improve. A modest change in one area is a different goal from broad alteration of facial volume. Unless the purpose is clear before surgery, a later conversation about whether enough remains can become disconnected from the original plan.
My facial fat grafting consultation addresses the procedure itself. Here, I focus on interpreting retention, evaluating a concern after treatment, and discussing uncertainty without promising a percentage. The broader deep plane facelift guide explains how volume assessment can fit into a facial surgical plan.
Four distinctions that make the research easier to use
Starting appearance and final appearance
I do not present your immediate postoperative appearance as a promised endpoint. When assessing a change, I need to know the timing and what was performed. Comparing two photographs without that context cannot establish how much grafted fat remains.
A pooled estimate and an individual outcome
Combining results from studies produces a summary of those studies. It does not mean each patient had a result close to the average or that your outcome should match it. I would not use the figure as either a guarantee or an advance diagnosis of treatment failure.
Visible change and measured volume
A photograph can help communicate what you notice, but visual impression is not automatically a quantitative measurement. When reading a retention claim, ask how the volume was assessed. The method matters to the meaning of the number.
A possible second treatment and a required second treatment
The possibility of incomplete retention does not make another procedure inevitable. I need to assess the concern, the potential improvement, and the risks before discussing an additional intervention. A research average cannot decide that for us.
Reading the 47% estimate in context
The review by Lv and colleagues included objectively measured facial fat grafting studies. Reported retention ranged from 26% to 83%, with follow-up periods of 3 to 24 months. The pooled estimate was 47%, with a 95% confidence interval of 41% to 53%.1
That confidence interval describes uncertainty around the pooled estimate, not a range into which every patient’s outcome will fall. The authors also found that the assessment method influenced the reported rates. I therefore would not select the highest number to advertise a result or the lowest to dismiss the procedure.
For planning, the useful point is that volume retention is uncertain. The published estimate helps explain why I avoid a guaranteed percentage; it does not replace the assessment of your face or determine the amount to use.
Describe the change before deciding its cause
If a treated area looks different to you, show me the area and explain what you notice. Perhaps it appears less full than you expected, the two sides seem different, or a particular photograph has raised a concern. That description is useful even when you do not know why it has happened.
I do not want you to feel that you must arrive with a conclusion such as “the fat did not survive.” We can first assess what is actually present and relate it to the timing and original plan. Listening to a concern is not the same as accepting an assumed explanation without examining it.
This also leaves room to discuss expectations. You may have hoped for a larger change than the one we planned, or you may be referring to a different region. I want to identify that difference clearly rather than respond with an automatic suggestion to add more fat.
Why a selfie cannot provide a reliable percentage
A selfie records your face under particular lighting and at a particular angle. It can show what bothers you, but it was not necessarily taken in a way that allows volume measurement. A numerical estimate made from appearance alone may look precise without being well supported.
The rest of the operation matters as well. If you had a facelift and eyelid treatment along with fat grafting, I cannot assign every change in contour to the graft just by looking at one picture. We need to consider the combined plan and your clinical progress.
At follow-up, I prefer a specific question: which area looks different, when you first noticed it, and whether your concern is fullness, contour, or another feature. Those details help guide assessment more directly than trying to work out how much of a published average you think you have retained.
More volume is not an automatic solution to uncertainty
I do not plan treatment by assuming that adding an extra amount will reliably compensate for a fixed amount of absorption. Uncertainty should be explained, not hidden behind a calculation that appears to guarantee the desired result.
Fat grafting also has risks. A systematic review of facial fat grafting described reported complications including irregularities, asymmetry, unwanted enlargement, and fat necrosis.2 It would be incomplete to discuss only insufficient volume while treating additional grafting as if it had no potential downside.
If we consider another procedure, it needs its own rationale. We should be clear about what it might improve, what it may not address, and whether leaving the area alone is a reasonable option. The existence of a possible treatment does not establish that it is the right next step.
Weight changes and GLP-1 medications require an individual discussion
Tell me about your weight history and current treatment before we plan surgery. I want to understand the context of the decision, including changes that are still underway. The name of a medication does not let me calculate a personal retention rate.
A 2026 scoping review examined possible implications of GLP-1 receptor agonists for fat grafting. It did not identify clinical or preclinical studies directly evaluating graft outcomes under these therapies; the discussion concerned biological mechanisms and hypotheses needing investigation.3
I would not turn that uncertainty into a statement that a particular medication inevitably destroys a graft. I also do not recommend stopping prescribed treatment on your own. Bring the information into planning with the doctors responsible for your care, rather than treating an internet claim as an instruction.
If you are pleased with weight loss but concerned about facial volume, you do not need to frame the discussion as choosing between health and appearance. We can clarify the concern, recognize what is not yet known, and decide what further assessment is needed.
Volume and skin quality are different outcomes
When discussing research, I keep the question being measured in view. A study about volume does not automatically establish an improvement in skin texture. A study about wrinkles cannot, by itself, tell us what proportion of graft volume remains.
This distinction is useful whenever different preparations or techniques are discussed together. Ask what the proposed treatment is intended to achieve in the particular area. “Improving the face” is too broad to serve as a clear measure of success afterward.
During consultation, I want you to understand the purpose of each component of the plan. That makes follow-up more meaningful: we can discuss the intended change rather than judge every aspect of appearance against one number taken from research about another outcome.
Plan follow-up when you are traveling from abroad
If you are coming to Brazil for facial surgery, discuss the follow-up arrangements before finalizing travel. My patient journey explains how care continues beyond the operation. Leaving the country should not mean that a question about your progress has no clear place to go.
Remote follow-up can help maintain communication in appropriate circumstances, but it cannot answer every question that requires a physical examination. If I need an in-person assessment, we should discuss how that will be arranged rather than assume photographs are sufficient because travel is inconvenient.
You can use photographs to show a concern when asked by the team, but do not postpone seeking urgent local care for a serious problem while trying to obtain the ideal picture or await a remote reply. Routine assessment of volume and evaluation of a possible complication are different situations.
Recovery advice should not become a retention promise
Follow the instructions prepared for your operation and keep the scheduled reviews. I do not attach a guaranteed retention percentage to a diet, supplement, or massage. If you encounter advice claiming to make the graft “take,” ask us before adopting it.
Do not try to redistribute a perceived irregularity by manipulating the area yourself. Report it so that it can be assessed in the context of your procedure and stage of recovery. A suggestion that seems minor online may not be appropriate for your situation.
The same principle applies to additional treatments. Tell us about anything you are considering rather than assuming it cannot affect the plan. I want recommendations to fit the actual clinical situation, not compete with a collection of uncoordinated advice.
Frequently asked questions
Does 47% retention mean I will lose more than half?
No. It is a pooled estimate from research, not your personal prediction. I explain the uncertainty without converting that figure into a promised loss or a guaranteed amount that will remain.1
Can I choose a technique with guaranteed retention?
I do not offer that guarantee. We can discuss the intended treatment and its limitations, but a technique name should not be presented as certainty about your individual result.
Does looking less full mean the procedure failed?
Not necessarily, and I cannot determine the explanation without assessment. I need to understand the region, timing, original goal, and your current concern. Describing what you see is the starting point, not a diagnosis.
Will I need another operation?
That is not inevitable. Any further intervention depends on your progress, the concern being addressed, and the balance of potential benefit and risk. I do not schedule it automatically because a published average exists.
Discuss the goal rather than a guaranteed percentage
If you are considering facial fat grafting with your facelift, contact Bruna to organize a consultation from abroad. I want to explain what I propose for each area and how we will follow your progress. You should be able to understand the decision without being offered a percentage that research cannot promise for your face.
References
- Lv Q, Li X, Qi Y, Gu Y, Liu Z, Ma GE. Volume Retention After Facial Fat Grafting and Relevant Factors: A Systematic Review and Meta-analysis. Aesthetic Plastic Surgery. 2021;45:506–520. doi:10.1007/s00266-020-01612-6. Published online in 2020; heterogeneous methods and follow-up.
- Gornitsky J, et al. A systematic review of the effectiveness and complications of fat grafting in the facial region. JPRAS Open. 2019;19:87–97. doi:10.1016/j.jpra.2018.12.004. Reported complications in selected studies, not a personal risk prediction.
- Chalhoub X, Ng ZY. Do Glucagon-Like Peptide-1 Receptor Agonists Sabotage Fat Grafts? Aesthetic Surgery Journal. 2026;sjag108. doi:10.1093/asj/sjag108. Scoping review; lack of direct graft-outcome studies limits clinical conclusions.