– The branch of medicine dealing with the skin, nails, hair and its diseases. It is a specialty with both medical and surgical aspects. It is the science, which is concerned with the diagnosis and treatment of diseases of the skin, hair and nails. They diagnosis and treats skin cancers, melanomas, moles and other tumours of the skin. The management of contact dermatitis and other inflammatory skin disorders. The recognition of the skin manifestations of systemic and infectious diseases and the interpretation of skin biopsies.