chapter 1 Feasibility Assessment in Topical and Transdermal Delivery: Mathematical Models and In Vitro Studies / chapter 2 Evaluating the Transdermal Permeability of Chemicals / chapter 3 Skin Absorption Databases and Predictive Equations / chapter 4 Partitioning of Chemicals into Skin: Results and Predictions / chapter 5 Iontophoresis: Applications in Drug Delivery and Noninvasive Monitoring M. Begon�Delgado-Charro and Richard H. Guy -- chapter 6 Skin Electroporation for Transdermal and Topical Drug Delivery / chapter 7 Sonophoresis: Ultrasound-Enhanced Transdermal Drug Delivery / chapter 8 Metabolic Approach to Transdermal Drug Delivery / chapter 9 The Application of Supersaturated Systems to Percutaneous Drug Delivery / chapter 10 Minimally Invasive Systems for Transdermal Drug Delivery / chapter 11 Transdermal Drug Delivery System Regulatory Issues