Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The skin is the largest organ in the body, comprising about 15% of the body weight. It is more than a convenient layer, as it constantly regenerates itself, creating a protective stratum that prevents the intrusion of many microorganisms. Today many studies carried out on skin s properties, highlight the crucial importance of skin cells in the treatment of various diseases related to neurological and cardiovascular problems. To find out more about the skin cells potential read this book.