This book is a comprehensive reference on the methods available for the enhancement of percutaneous penetration. It examines a broad scope of chemical enhancers and various physical methods of enhancement. The range of chemicals discussed in this volume is unsurpassed anywhere in the literature. Scientists can find invaluable information in this single source on 95 percent of the enhancers being researched today! Each well-illustrated chapter is written by the world"s leading authorities in the field. Introductory chapters outline the concept of penetration enhancement from first principles and provide a comprehensive classification of different types of enhancers.Chapters covering chemical enhancers are clear, concise, and easy to understand, even for novice readers in this field. The latest techniques by which drugs can be forced physically through the skin are also covered in depth. Equipment is detailed, typical drug candidates for the techniques are described, and the success to date is provided. Percutaneous Penetration Enhancers is the first book to present modern analytical techniques that have been used to assess penetration enhancement. The book also offers future perspectives for enhancers. New approaches and current limitations on knowledge and understanding of the topic are suggested. This timely source book is invaluable for clinical reference or for the design of scientific studies.