Skin is the largest organ of the body. It is the visible part and covers all organs in our body including muscles, internal organs and flesh. The main functions of the skin include protection of our body from pathogens and water loss, providing sensation, regulating heat and excretion of sweat and urea.
Skin has three different layers namely epidermis, dermis and hypo-dermis. Epidermis is the top most layer made up of epithelium and does not have any blood vessels. It forms the protective cover for the body. Beneath epidermis is the dermis. The dermis consists of connective tissue. The sensation of heat, touch etc. is provided by this layer. The dermis also helps in excreting sweat as the sweat gland is also located here. Hypo-dermis is situated beneath the dermis. The main purpose of this layer is to connect the skin with bones, internal organs and muscles.
The skin has the tendency to support microorganisms and creates its own Eco system. These microorganisms will be in a constant number in the case of a healthy skin. Whereas a skin which is oily, there will be an increase in its production resulting in infections. Also, the skin should be properly treated and