The hair follicles and oil glands in the skin are both impacted by the common skin disorder known as acne. Although it can affect adults as well, it often happens during adolescence. Acne typically develops on the shoulders, back, chest, and face.

Sebum overproduction by the skin's oil glands is the main contributor of acne. Blackheads and whiteheads are examples of comedones, which are clogged hair follicles caused by an overabundance of oil and dead skin cells. Pimples, papules, pustules, or nodules may form when the inflammatory follicles in these obstructed pores are the result of bacterial overgrowth.

Acne formation is significantly influenced by hormonal changes, especially those that occur during puberty. A surplus of oil is produced as a result of stimulated oil glands brought on by increased hormone synthesis. Genetics, specific drugs, hormone imbalances, stress, food, and environmental factors are among more variables that might cause acne.

The symptoms of acne can vary in severity and presentation, but here are some common signs and symptoms: