The skin is divided in three parts: a) the epidermis is a multi-layered self renewing sheet of cells and forms the upper part of the skin, b) the dermis is the intermediate part and very rich in collagen, elastin , fibroblasts (cells producing collagen, elastin, etc) and inflammatory cells and c) the final third part which consists of large quantities of lipids and lipid cells. It is called subcutaneous fat, it is of great importance in thermoinsulation and functions as a nutritional store.
The skin is the biggest (2m²) and one of our heaviest organs (4-5kg) in the body. It forms a protective barrier from germs and the environment, regulates our temperature and confers many of our senses such as touch, pain, cold and hot perception. The skin assumes a very important psychological role as it is central to one's self-image and how one communicates with each other.
Cyprus is an island characterized by its warm and sunny weather throughout the year. The sunny days are almost 300 per year. This is beneficial in many ways but has some disadvantages, concerning a premature photoaging and a risk of higher incidence of precancerous and malignant skin lesions. So it is important to know about the beneficial and harmful power of the sun and improve our behavior concerning sun exposure.