What causes Acne and how to control them.

Acne begins in puberty, but it does not always end there. Every teenager, if examined closely enough will show some of the effects of acne with some being mild, others more severe. The major hormone causing changes in teenagers is androgen. Under its influence, the sebaceous glands produce more and more sebum (oil). This leads, then, to oily skin and a change in skin flora. There is an increase in the bacteria that cause acne as well as a type of fungus. All these contribute to the development of blockages at the oil gland openings known as comedones. Such blockages cause blackheads and whiteheads