Teenagers that develop acne usually have parents or another family member that had acne as well. Based on a study of adolescent twins approximately 50%-90% of acne was caused by genetic variation. Another important finding from the study showed that up to 47% of at least one twin had acne. It is believed that the G-variant in the MYC region has an influence on acne, breast and prostate cancer.
There are many studies being conducted in order to define more exact causes of acne. This way there can be preventative measures taken in order to satisfy patients who may develop acne later on. Although everyone is unique to one another, it can be inferred that if acne or skin disorders are common in your family, there is the risk of having it as well.