Part I: Facial Nerves 1 Overview of Facial Tissue Anatomy 2 Facial Fat Compartments 3 Overview: Facial Nerve Danger Zone 4 Frontal Branch of the Facial Nerve 5 Zygomatic and Buccal Branches 6 Protecting the Marginal and Cervical Branches of the Facial Nerve 7 Great Auricular Nerve 8 Technical Considerations: Extended SMAS Dissection and Lateral SMASectomy/Platysma Window Part II: Fillers and Neuromodulators 9 Introduction 10 Facial Danger Zone 1 Glabellar Region 11 Facial Danger Zone 2 Temporal Region 12 Facial Danger Zone 3 Perioral Region 13 Facial Danger Zone 4 Nasolabial Region 14 Facial Danger Zone 5 Nasal Region 15 Facial Danger Zone 6 Infraorbital Region Part III: Energy-Based Devices 16 Maximizing Safety with Ablative Lasers 17 Maximizing Safety with Nonablative Lasers 18 Trichloroacetic Acid Combined with Jessner's Chemical Peel Safety 19 Maximizing Safety with Radiofrequency-Based Devices 20 Maximizing Safety with Cryolipolysis 21 Maximizing Safety with Microneedling