The study of dermatology prepares for students for work as dermatologists by teaching them how to treat various skin, nail, hair, and mucous membrane disorders such as acne, eczema, vitiligo, fungus, hair loss, skin cancer, and warts.

A PhD, or Doctorate of Philosophy, is the highest degree awarded in many academic fields. Generally requiring a research project and dissertation, as well as several years of study, a doctorate degree qualifies the holder as an expert in a chosen field.