Although the hormonal fluctuations that cause acne are most common during the teen years, they can also happen to adults. Those with uteri experience hormonal swings during their menstrual cycle, pregnancy, and menopause that result in acne breakouts.

Certain medications, such as anticonvulsants and steroid drugs (not the inhalers used for asthma) can cause acne. In some people, genetics contributes to their acne. One study found that 50% of those with acne if you have a parent, brother/sister, or child with acne.

  • 51% of women 20 -29 years old,
  • 35% of women 30-39 years old,
  • 26% of women 40-49 y/o

have acne per a study in 2008.