Acne is an unpleasant skin affliction. It can affect anyone, at any time, but acne is more common in teenagers and young adults and 80% of people in this age bracket are affected at some point. Even older people can suffer from acne flare-ups. Stress and hormonal upheaval all play a part.
Acne can be difficult to beat. Despite using expensive lotions and cleansers, sometimes acne is stubborn and stays around, or in worse cases, spread. There are a few scenarios, aside from the typical hormone fluctuations or stress that can cause acne.