Spanning the many advancements that have taken place in the field since the First Edition of this book was published, this Second Edition emphasizes the imaging of the skin in its entirety, rather than focusing solely on surface layers. The Second Edition includes new chapters on technologies such as in vivo confocal laser scanning microscopy, Raman spectroscopy, optical coherence tomography, nuclear magnetic imaging, high-resolution ultrasound, in vivo skin topometry, and multi-photon imaging of the skin.