What Causes Acne?
There is no precise cause of acne; rather, it is a result of many factors coming together to create an acne situation. Those who are prone to acne often have skin that is oilier than average. Excess oil can easily become trapped within the pore, creating an impaction.
Acneic skin also produces more dead skin cells than is normal, and those skin cells are not being shed properly (a condition called retention hyperkeratosis). These dead cells stick to the surface of the skin and inside the follicles, mixing with excess oil and creating a comedo.
When the pore becomes blocked by cellular debris and oil, a bacterium that is normally present within the pore grows unchecked. Propionibacteria acnes (P. acnes) are found in great numbers on acneic skin, causing inflamed breakouts.
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