The skin is much more than a simple wrapping around our bodies. It is an active and versatile organ, which is waterproof so that we do not dry up in the heat or melt in the rain, ant it protects us from the damaging radiation of sunlight.

It is tough enough to act as shield against injury, yet supply enough to permit movement.
It conserves heat or cools the body as required, thus keeping our internal temperature constant .

Skin diseases may be a nuisance and an embarrassment, but they are seldom dangerous and are very rarely fatal. They cause a vast amount of ill health. however, by their frequency and persistence.