Acne is a common skin condition that targets teenagers and adults. Almost 100% of teenagers will have at least one acne breakout between ages 12 and 17. Some experience minimal acne during the teen years but develop moderate to severe acne in their 20s and 30s. Acne has many causes. Among them are heredity, hormonal changes, diet, and stress. Due the external and internal trauma that acne causes, there are hundreds of options to choose to treat acne. Depending on the type and severity of acne, those prone to this skin condition can find a treatment regimen that works.