
Microphones RF fractionnaires vs échographie microfocuses (MFU) HIFU
What Is Fractional RF Microneedling? Fractional RF microneedling delivers radiofrequency energy via insulated microneedles into the dermis. These needles create controlled micro-injuries, while simultaneously emitting RF heat to stimulate collagen and elastin production. Key Mechanism: Clinical Benefits: 📍 Typical penetration depth: 0.5–3.5 mm📍 Target tissue: Superficial to mid-dermis What Is Microfocused Ultrasound (MFU)? Microfocused ultrasound—popularly











