Acne, a common skin condition among adolescents and in some adults, is primarily caused by congestion of skin pores and usually occurs on the face and neck. Acne can also appear on the chest, back, shoulders and upper arms. It is one of the factors leading to low self-esteem and depression among the affected individuals. This presentaion discusses the factors that influence the occurrence of acne, its types, treatment and measures to prevent acne.