Acne is caused by skin pores blocked with excess oil, dead skin cells, bacteria, and dirt. It is the most common skin condition.

 

Sebum—oil that helps keep skin from drying out—and dead skin cells clog the pores, which leads to outbreaks of lesions, commonly called pimples or zits.

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​When acne occurs, it can cause discomfort or pain, especially severe. It can also cause emotional distress and affect self-esteem.

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Acne causes several types of lesions or pimples. Most often, the outbreaks occur on the face but can also appear on the back, chest, and shoulders.