
Injection Planes: Understanding Depth, Rheology, and Tissue Resistance
An intermediate-level anatomical and technical guide for aesthetic injectors Introduction Mastering injection planes is one of the most critical competencies in aesthetic medicine. The face is a multilayered structure composed of skin, fat compartments, fibrous septa, muscles, ligaments, and bone, each with distinct biomechanical properties and clinical implications. The depth at which filler is […]
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