摘要

Objectives: 1. Review the anatomical basis of facial layers aging (SMAS, Retaining Ligaments, Retinacula Cutis, Fat Compartments), and their relevance to non-invasive tightening. 2. Discuss mechanisms of action of High-intensity focused US (HIFU) and Non-invasive monopolar RF (NMRF). 3. Identify key clinical parameters for treatment across different patients and distinct anatomical regions in the same patient. 4. Highlight strategies for individualized treatment. 5. Present case-based insights demonstrating how anatomy-driven, individualized approaches can optimize results. Introduction: Facial aging is a multifactorial process involving progressive changes in the skin, subcutaneous fat, retaining ligaments, and fascial layers. These alterations result in laxity, descent, and contour changes. While surgical lifting remains the gold standard for advanced cases, there is growing demand for non-invasive modalities that offer measurable improvements in facial tightening with minimal downtime. HIFU and NMRF are established EBD for facial thigthening, however despite their efficacy, their outcomes vary considerably due to differences in patient characteristics and anatomical regions Materials / method: This lecture draws on a comprehensive review of the current literature together with the author’s clinical experience in applying HIFU and NMRF for facial tightening. Anatomical correlations were derived from face-lift surgery observations and cadaveric dissections, and these references were integrated with device-specific mechanisms of action. Clinical insights were further supported by case-based experience, with treatments conducted using standardized HIFU and NMRF protocols. Results: Evidence from clinical studies and case-based experience demonstrates that both HIFU and NMRF achieve measurable improvements in skin laxity, contour, and texture. HIFU enables precise energy deposition at defined depths, while NMRF provides broader volumetric heating, resulting in collagen contraction and progressive neocollagenesis. Outcomes are most favorable in patients with mild-to-moderate laxity and might be enhanced when treatment is tailored to anatomical regions and patient-specific variables. Anatomical correlation highlights the necessity for individualized treatment planning. Conclusion: Non-invasive energy-based technologies such as HIFU and NMRF represent effective tools for facial tightening when guided by anatomical understanding and individualized planning. Optimal outcomes require consideration of patient selection, anatomical variability, and device-specific parameters. While these modalities cannot replace surgical lifting in cases of advanced laxity, they provide a valuable option for patients seeking less invasive rejuvenation. A balanced approach—acknowledging both potential and limitations—supports safe integration of HIFU and NMRF into modern aesthetic practice.