There are three main causes of acne:
- Overproduction of sebum
- Clogged pores from dirt and debris of dead skin cells
- Infection from bacteria (Propionibacterium acnes) in the sebaceous gland
Sebum blocks pores in the skin to form whiteheads, which form under the skin, and blackheads, which are open to the air. Blackheads are black because the air causes a chain reaction with the oily debris inside, not because they're dirty. Yeast and bacteria in the skin cause whiteheads to become pimples that are inflamed, red, and sometimes pus-filled.
All teens experience some kind of acne during puberty. It belongs to the natural process of change in your body. For some individuals, however, acne can be severe and difficult to handle emotionally. Many teens become very self-conscious about their looks, especially Facing media ideals that values "clear" skin.
As males and females outgrow adolescence, acne usually gets better. However, acne can sometimes continue after adolescence for some people. Additionally, for some individuals, hormonal changes occurring in the future can cause acne in their adult years.
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