Neuroaesthetics: Evolutionary Thinking in Facial Aesthetic Medicine

BACKGROUND: Facial aesthetic medicine has traditionally emphasized proportion, symmetry, and structural harmony based on anatomic and cultural ideals. However, rigid adherence to these principles may contribute to overcorrected, unnatural outcomes, challenging perceptions of authenticity. Although patients frequently request to "look natural," this concept remains poorly defined and is not systematically addressed in training. OBJECTIVE: To distinguish beauty, attractiveness, and naturalness and to propose neuroaesthetics as a framework for improving patient-centered outcomes in aesthetic medicine. METHODS: Narrative synthesis of interdisciplinary literature integrating neuroscience, evolutionary psychology, and aesthetic medicine, with a focus on neural mechanisms underlying attractiveness, reward processing, and social perception. RESULTS: Perceptions of attractiveness and naturalness are mediated by neural systems involved in reward valuation, rapid first-impression formation, and embodied simulation. Overreliance on static structural ideals may overlook dynamic cues critical to social and emotional evaluation. Neuroaesthetic principles provide a biologically informed framework for aligning aesthetic interventions with perceptual and psychosocial responses. CONCLUSIONS: Incorporating neuroaesthetics represents a shift from structural optimization toward outcomes that prioritize authenticity, emotional resonance, and social perception. As patient expectations evolve, aesthetic providers should integrate these principles to achieve more natural and meaningful results.