Understanding the Difference Between 4D, 7D, 12D, and 22D HIFU Machines: What Really Matters
High-Intensity Focused Ultrasound (HIFU) is a non-invasive cosmetic technology that uses focused ultrasound waves to stimulate collagen production deep in the skin, leading to tightening, lifting, and rejuvenation. It’s often marketed as a “non-surgical facelift” targeting layers like the epidermis (1.5mm), dermis (3.0mm), and SMAS (4.5mm) for face treatments, with deeper options for body contouring. […]