Summary Sensitive skin is a widely reported condition where there is subjective cutaneous hyper-reactivity to environmental factors. Progress has been made in many aspects of the background science that will help clinicians in their management of patients presenting with the condition. This new text sums up the advances in thinking on pathophysiology, classification, methods of investigation, and the different susceptibilities of different types of skin. Author: Golara Honari, Rosa Andersen, Howard L. Maibach