In human body skin is a largest and visible organ. Skin protects the health of the body and acts as a barrier against injury and bacteria. A dermatologist is the medical expert who specializes in conditions involving the skin, hair, and nails. Dermatologist diagnosis and treat diseases related to skin, hair and nails. They also treat condition that affect mucous membranes, delicate tissue that lines your nose, eyelids, mouth and hair.

A dermatologist can identify and treat conditions such as psoriasis, eczema, and skin cancer. Dermatologists care people from newborns to seniors. They diagnose and treat hundreds of conditions which includes rare genetic disorders.