How is teenage acne different from adult female acne

[Jennifer]

In the teenage years, acne begins with blemishes on the forehead and
around the nose. As you age the acne tends to migrate down your face,
often being worse on the chin, jaw and neck in adult females. Breakouts
are frequent during the premenstrual period in both teenage and adult
acne. Adult acne, however, tends to be more low grade and more chronic.
The only good thing about adult acne as opposed to teenage acne is that
it comes with a sense of perspective: Adults tend to address the issues
because of the cosmetic associations and because it is no longer OK to
have acne. Adult acne tends to hit in the 20s and 30s and may continue
until menopause. Raging hormones cause adolescent acne. In adult acne,
hormones continue to be the culprit, but stress and the environment
aggravate them.