what is acne?

"Acne is a common skin condition that affects many people."
"Acne is a disorder of the skin characterized by the appearance of pimples, blackheads, and whiteheads."
"Acne is a condition in which hair follicles become clogged with oil and dead skin cells, resulting in inflammation and the formation of lesions."
"Acne is a chronic skin condition that can have a significant impact on a person's self-esteem and quality of life."
"Acne is a dermatological condition that can present in various forms and severity levels, ranging from mild to severe."