This up-to-date volume describes the wide variety of available methods concerning percutaneous absorption of drugs and toxins. It discusses in detail the advantages and disadvantages of each method. This unique publication provides a clear, systematic presentation of each aspect which must be considered when designing and performing skin penetration experiments and when interpreting results. It includes specific information regarding necessary supplies and equipment, along with commercial sources for these items. This state-of-the-art book is an ideal instructional manual for investigators uninitiated in performing percutaneous absorption and metabolism studies. Those involved with investigative dermatology, dermatological research, toxicology, and pharmacology will find this reference interesting and indispensable.