SKIN IS A PROTECTIVE ORGAN
From the outset, the most obvious function of skin is to maintain a barrier that prevents the loss of fluids, electrolytes and othe molecules from within the body and at the same time, prevents penetration by microorganisms, toxic materials and uv radiation.
SKIN HAS A CENTRAL ROLE OF PROTECTING DNA
The requirement of skin are identified in its failing we may call skin diseases.
PREVENTING INFECTION
Skin is an immunologic organ and can recognize foreign materials.
SKIN IS A COMMUNICATING ORGAN
It occurs by three mechanisms: nerve conduction via cutaneus fibers ;intracellular signaling mediated by hormones and the physical movment of ' message-carrying' cells from one site to another.
SKIN IS A THERMOREGULATORY ORGAN
Skin plays a decisive role as both radiator and insulator and regulate temprature by evaporation(sweating), vasodilation and vasocostriction.
SKIN CONVEYS BEAUTY AND PHYSICAL ATTRACTIVENESS
An important function of skin is attraction of humans for social purposes.The physical appearance and codition of skin have assumed fundamental importance.
HAIR ALSO PLAYS A GREAT ROLE IN BEAUTY AND SOCIAL COMMIUNICATION
Hair is also a part of skin as a pilosebaceus unit. It covers the skin of scalp in which protects skin from injury and enhance self confidence of human. Reducing hair at this site occurs in male and female pattern alopecia and as a normal process of aging, but it can be a matter of concern for many people.
On the other hand, hirsutim or increase of terminal hair on the face or body of women can lead to social problems, anxiety and depression for cosmetic reasons.
