High-Intensity Focused Ultrasound Technology: Physical Principles, Biological Effects, and Clinical Applications in Facial and Neck Rejuvenation
High-Intensity Focused Ultrasound (HIFU) has emerged as a revolutionary non-invasive technology in aesthetic medicine, enabling targeted tissue remodelling and skin rejuvenation through precise thermal and mechanical effects. This narrative review provides a comprehensive examination of the physical foundations of HIFU...