Acne is not just a teenage problem. Many women experience acne in their 20s, 30s, and 40s. Causes and treatments may differ when you are older.
Consider birth control methods and acne. Certain low estrogen oral contraceptives may actually improve acne. On the other hand, hormone-coated IUDs such as the Mirena may make acne prone individuals more likely to break out.
Check with your dermatologist, as well as your gynecologist, beforehand!