In zootomy and dermatology, skin is an organ of the integument system consisting of several layers of epithelial tissues that guard underlying muscles and organs. As the interface with the surrounding environment, which plays a major role in protecting against pathogens. Its other main functions are insulation and temperature regulation, sensation and vitamin D and B synthesis. Skin is considered one of the most important parts of the body. Many problems of the skin with a growth of stress. When you are nervous, sleep less, often forget to look after you, ignoring the usual cosmetic procedures, and not drink enough liquid, it is necessary for the skin remained soft and smooth. The number of people are starting to be scratched or touch the face most
often. It increases the probability of hitting it of pathogenic bacteria and serve as the reason for the presence of "problems".