Yates Yen-Yu Chao, MD is well-known as an expert in aesthetic dermatology, Dr Chao is an active lecturer/trainer across the world and keynote speaker in major international conferences. During over 20 years of practice, he has innovated and published many novel techniques. The Chao Institute of Aesthetic Medicine in Taipei trains doctors worldwide. He is on advisory boards of the leading brands of lasers, devices, fillers, toxins and skin care products.

Preface. Contributors. Introduction: Injectable Botulinum Toxin and Its Aesthetic Applications. The Clinical Importance of Botulinum Toxin as an Injected Protein: Immunogenicity. Optimizing Aesthetic Combination Treatments with Botulinum Toxin. Antibody Formation and Botulinum Toxin Resistance. Conversion and Calculations between Different Commercial Toxin Products. The Aesthetic Standard for Contouring and Facial Dynamics. To Immobilize or Modulate Muscle Function? Achieving Better Results through Proper Instrumentation for Aesthetic Toxin Practice. Achieving Better Symmetry with Aesthetic Toxins. Optimizing Aesthetic Toxin Treatments by Proper Toxin Reconstitution. The Initial Judgment and Repeating and Modifying Aesthetic Toxin Treatments. Anatomical Considerations to Improve Aesthetic Treatments Using Neuromodulators. Why Injection Depth Is Important for Better Aesthetic Toxin Practice. Distributing Toxin Precisely to the Motor Endplates. Individualized Aesthetic Toxin Practice or Freestyle Injection? Eyebrow Enhancement or Instability? Refining Forehead Toxin Treatment. Refining Toxin Treatment for Glabella Frown Lines. Refining Toxin Treatment for the Masseters. Index.