Providing a comprehensive review of drug permeation enhancement, this reference covers the fundamental aspects of physical and chemical enhancement for the transport of both peptides and nonpeptides through the skin, mucosae, and cornea.;Expanding the frontiers of drug delivery research, drug permeation enhancement details the barrier properties of skin; examines skin penetration enhancers; investigates the transdermal delivery of proteins and peptides by iontophoresis; describes electrically mediated transdermal drug delivery; analyzes obstacles to the transmucosal delivery of peptides and proteins; and discusses ocular peptide absorption mechanisms.;Written by 35 internation authorities working in academia, government, and industry, Drug Permeation Enhancement is for pharmaceutical scientists, research dermatologists, biotechnologists, toxicologists, and graduate students in these disciplines.