What is considered a primary contributing factor to acne?

The primary contributing factor to acne is P.acnes bacteria, known scientifically as Cutibacterium acnes. This bacterium is typically found on the skin and plays a significant role in the development of acne. When hair follicles become clogged with excess sebum (oil) and dead skin cells, it creates an environment conducive for the overgrowth of P.acnes. This overgrowth can lead to inflammation, which is a key characteristic of acne lesions. By understanding the role of this bacteria, acne specialists can better target treatment options that reduce its presence and manage the inflammatory response it elicits.

While factors like genetics can influence an individual's predisposition to acne, and poor hygiene might seem relevant, they are not the primary cause of the condition. Genetics may contribute to the severity and frequency of acne, and poor hygiene is not a direct cause but rather a misconception that leads to stigma around the condition. Saliva also does not have a notable link to acne development, making P.acnes the most significant factor in this context.