Over the past few decades, soft tissue augmentation has become an increasingly popular procedure, not limited to a specific age or sex group. It is not only utilized in beauty restoration but recently it has been found useful in treating different developmental defects. A wide range of products are available on the market today. Hyaluronic acid fillers, made from hyaluronic acid (a naturely occuring biopolymer) are one of the most commonly used fillers, owing to their nonimmunogenicity, biocompatibility & unique advantage of being reversible. This book provides a brief account of soft tissue...