Teenagers are synonymous with puberty, of course, have seen changes rapidly, it looks good physically and psychologically. Hormonal changes that occur in periods of transition from child to adult, as well as acne that can not be separated from the growth of a teenager. This is due During puberty, the sebaceous glands become more active and produce excess oil. Sebaceous glands are the oil-producing glands in the skin, removing fat called sebum that lubricates hair and skin function.