Dermatologists help care for your skin and scalp health. While they offer important skin cancer screenings, they also offer more cosmetic services, like treatments for acne. If you would like to know more about acne treatments, keep reading to learn how a dermatologist can help.  Medications Medications are a great way to fight many forms of acne. Retinoids are some of the best ways to fight moderate acne by helping to prevent blocked hair follicles.