Advances in Stem Cells and Their Niches, Volume Three, comprises a compilation of the latest findings on our understanding of skin biology. It extends the current knowledge on skin stem cells and provides in-depth discussions on their unique settings, niches and properties. Chapters in this new release include The biophysical regulation of epidermal fate and function, Epidermal stem cell lineages, Hair shaft progenitors that create a niche for hair pigmentation, Dermal papilla cells control of hair follicle growth and pigmentation, Molecular mechanisms regulating the hair follicle niche, Dermal fibroblasts and their niches and interactions with epidermal stem cells.