Dermatology is related to the diagnosis, treatment, prevention of diseases occurring in the skin, hair, nails, oral cavity and genitals.
It also covers cosmetic care and enhancement. The skin serves as a protective shield against heat, light, injury and infection.
It also regulates body temperature, stores water and fat, prevents water loss, and is a sensory organ that can signal danger.
Therefore, when the skin is not functioning properly, the effects are likely to be uncomfortable, and often unsightly.
When left untreated, they can even be life-threatening.