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Acne is a common skin condition that occurs when hair follicles become blocked with oil and dead skin cells, leading to spots, blackheads, and whiteheads. It most often appears on the face, back, and chest. Acne can affect people of all ages, though it’s most common in teenagers due to hormonal changes.
Acne develops when excess sebum (oil) and dead skin clog pores, allowing bacteria such as Cutibacterium acnes to thrive. Hormonal fluctuations, stress, and certain medications can also trigger or worsen breakouts. Factors like oily cosmetics and friction from clothing can contribute too.
The main symptoms include whiteheads, blackheads, pimples, and cysts that can appear on the face, neck, chest, shoulders, or back. In more severe cases, acne can cause inflammation, pain, and scarring. The severity and type of spots vary from person to person.