Summary: Facial rejuvenation is a rapidly advancing field in aesthetic medicine. Minimally invasive techniques represent a powerful tool for rejuvenation, and fillers are a popular modality with which to restore and optimize facial proportions. Currently, our filler armamentarium is characterized by products with an increasing variety of biochemical compositions warranting tailored injection approaches. An intimate knowledge of anatomy, product characteristics, and appropriate injection techniques is essential to achieve optimal results while maintaining patient safety. Here, we review facial anatomy, structural changes secondary to aging, appropriate filler selection, safe injection techniques, and complications.

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