Injectable Filler-Based Chin Augmentation: A Systematic Review of Non-Surgical Volumetric Techniques

Facial aesthetics are profoundly influenced by the chin, a central feature that shapes harmony, projection, and perceived attractiveness. As demand for minimally invasive cosmetic procedures grows globally, nonsurgical chin augmentation has emerged as a cornerstone in facial contouring. The chin is a small yet powerful determinant of facial harmony. Its retrusion, whether congenital, traumatic, or age-related, can distort balance and undermine self-perception.

With patients increasingly seeking minimally invasive solutions, this systematic review evaluates injectable volumetric techniques for chin augmentation, with a focus on dermal filler-based interventions, and synthesises current evidence on efficacy, safety, and patient satisfaction.

Following PRISMA-E guidelines, a comprehensive search across seven databases (1965-2026) identified clinical studies evaluating injectable fillers (and other eligible injectable volumetric agents) for chin augmentation. Study quality and data diversity were analysed, including I² heterogeneity.

Eleven eligible studies comprising 876 patients were analysed. Hyaluronic acid fillers predominated, with follow-ups averaging 12.8 months (SD: 7.7). Over 90% of patients reported satisfaction, supported by photographic and patient-reported assessments. Adverse effects were minor and transient, mainly oedema, bruising, and nodularity.

Injectable fillers provide effective short-term improvement in chin projection with high patient satisfaction and acceptable safety. However, evidence is heterogeneous and largely non-comparative, limiting conclusions on long-term outcomes. Further controlled studies are required.

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