Sebum and your skin http://www.martinsville9.zoomshare.com/2.shtm... Under normal circumstances, the sebum travels up the hair follicles and out to the skin’s surface. By creating a mild thermal injury just below the skin’s surface, a laser can alter the structure and function of the sebaceous gland, leading to prolonged acne clearance.
Puberty and hormones http://jennifer1.podbean.com/... During puberty, the male sex hormones (androgens) increase in both boys and girls, causing the sebaceous glands to become more active - resulting in increased production of sebum. However, acne is most often cause by the secretion of androgens.
