Acne is a common skin condition that affects millions of people worldwide, particularly teenagers and young adults. It occurs when hair follicles become clogged with oil, dead skin cells, and bacteria, leading to inflammation. The most common types of acne include blackheads, whiteheads, papules, pustules, nodules, and cysts. While acne is not a life-threatening condition, it can significantly impact self-esteem and mental well-being, making it an important issue to understand and address.