Acne is a common skin condition when hair follicles become clogged with oil and dead skin cells. Several factors contribute to the development of acne, including:

- Hormonal changes, such as those that occur during puberty, pregnancy, and menstrual cycles, can cause an increase in oil production, leading to the development of acne.

- Acne can run in families, so if the parents or siblings have had acne, you may also be more likely to develop it.

- Propionibacterium acnes (P. acnes) are found on the skin and can contribute to the development of acne when it becomes trapped in hair follicles.

- While there is no direct link between specific foods and acne, some studies suggest that a high glycemic index diet (foods that cause a rapid increase in blood sugar) may contribute to the development of acne.

- Stress can trigger the release of hormones that can increase oil production, contributing to the development of acne.

- Certain medications, such as steroids, lithium, and some birth control pills, can contribute to developing acne.

It is important to note that while these factors can contribute to the development of acne, there are many effective treatments available to help manage and prevent acne outbreaks.