Acne is not a problem limited to teens in the throes of hormonal upheaval. Adult acne happens far more frequently than is generally realized. Broadly speaking, adult acne plagues 25% of adult males and up to 50% of adult females, though it is often not recognized.

The cause of adult acne has not been identified as yet, but there are theories. One of them is that teens and adults share on common nemesis, albeit at different levels