Dermatologist are people who can treat the skin, hair, nails. They can treat many diseases, like skin cancer, hair problems and more. They are specialist also on treating skin and facial skin, acne, like pots of aging, and removal of skin cancer. SALARY $81,972-$315,780 Education` To become a dermatologist, you first have to earn your bachelor's degree. Next you have to go attend to a medical school, to become a medical doctor or an osteopathic doctor. Go get an internship for one year. Finally you will have to go to a dermatologist school for 3 years.  Even though there is a growing number of  dermatologist, there is a demand for them. Reflection. I would not like to become one because it requires identifying things. Like if there were a mole in a patient, I would say it were skin cancer, but it would simply be a mole.