Possible problems include uneven reabsorption, asymmetry, excess volume, irregularities, nodules, oil cysts, infection, and the need for revision. The donor area can also develop contour or healing problems. Using your own tissue does not make the procedure free of complications.
Serious vascular complications have been reported, including loss of vision and neurological injury when injected fat enters the arterial circulation. Brucato and colleagues' 2024 review examined published reports of complications. Because it selected complication reports, its case counts cannot be used to calculate the chance of an event among all people having facial fat grafting. 4
Careful planning and technique matter, but they do not justify a promise of zero risk. I discuss the intended areas, your medical history, and associated procedures before deciding on the plan.
Sudden visual change, weakness, or difficulty speaking requires immediate emergency assessment. Do not wait for an office appointment or a WhatsApp response if those symptoms occur. For other unexpected changes, contact the team promptly so we can decide what evaluation is needed.