Age can be a factor in treatment planning, especially for teens whose skin is still changing. However, severe scarring that's affecting mental health is definitely worth addressing. Many practitioners will treat teens, but they'll want to ensure that the acne itself is under control first, otherwise new scars could form even after treatment. A consultation would assess her specific situation, skin maturity, and whether treatment is appropriate now or if waiting would be better. The psychological impact is a valid consideration in these decisions.