This book provides knowledge and instruction about thread procedures that are the current state of the art in the United States. The book offers a comprehensive overview of the threads available and in favor of use in the US. The chemical and biological activity of the threads also will be explained. Chapters will discuss research that support the theory and clinical efficacy of the threads, thus laying the foundation for understanding the purpose of the threads. Chapters discuss the different types, sizes and styles of threads in current use. The various areas and procedures that are possible with the threads will be described in detail to allow practitioners a greater comfort level when learning these procedures. The book will also include tips to help practitioners succeed with these procedures as it is generally not as straight forward as some other aesthetic procedures. In addition, the book compares and contrasts thread procedures with other current modalities.