he New Doublo by Hironic is the world's first medical aesthetic device to integrate Micro-Focused Ultrasound (MFU) and Radio Frequency (RF) technologies into a single Synergy Dotting system. This innovative combination enhances skin lifting and tightening by targeting multiple skin layers simultaneously. The MFU component focuses on deeper layers to stimulate collagen production, while the RF energy heats the superficial layers, improving skin texture and firmness. Clinical studies have dem