Did you know problem acne skin has blackheads, whiteheads and enlarged pores on all areas of the face. This can be caused by hormonal imbalance, by infection or by improper cleansing that leads to clogged pores and eventually to blemishes. In general there are two types of acne depending upon your age. The hormonal imbalance that often causes acne during puberty is a normal part of growing up and with proper care it can be treated. Adult acne is also frequently caused by hormonal imbalance. The difference is that it’s usually due to an identifiable and changeable cause.