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  1. Acne - Symptoms and causes - Mayo Clinic

    Jul 20, 2024 · Acne is a skin condition that occurs when your hair follicles become plugged with oil and dead skin cells. It causes whiteheads, blackheads or pimples. Acne is most common …

  2. Acne: Types, Causes, Treatment & Prevention - Cleveland Clinic

    Jan 4, 2023 · Acne is a very common skin condition that causes pimples. You’ll usually get pimples on your face. Clogged pores cause acne. Teenagers and young adults most often get …

  3. Acne - Wikipedia

    Acne ... Acne, also known as acne vulgaris, is a long-term skin condition that occurs when dead skin cells and oil from the skin clog hair follicles. [10]

  4. Acne: Treatment, Types, Causes, Prevention, and More - Healthline

    Jun 26, 2023 · When oil, bacteria, dead skin, and dirt block your pores, you may develop pimples, or acne. Get the details on acne causes, treatment, and prevention.

  5. Acne Types, Causes, & Risk Factors | NIAMS

    Acne is a common skin disorder that results in blocked skin follicles. Learn the types & causes of acne.

  6. Adult Acne Is on the Rise—Here’s What You Need To Know

    Nov 27, 2025 · Adult acne is surging, especially in women. Experts share surprising triggers—and why it may be more than just hormones.

  7. Acne | Blackheads | Pimple | Zits | MedlinePlus

    Oct 12, 2024 · Both teens and adults can get acne. Learn what causes pimples and blackheads and how to manage them.

  8. Acne: Overview - American Academy of Dermatology

    Acne is the most common skin condition in the United States. Although it's common, accurate information about acne can be scarce. This information can help you understand acne and …

  9. Acne - Harvard Health

    Oct 2, 2024 · It is caused by inflammation of the hair follicles and oil-producing (sebaceous) glands of the skin. Hair follicles are the tiny structures that grow hair in the scalp. Sebaceous …

  10. Acne: Causes, treatment, and tips - Medical News Today

    Jul 15, 2025 · Acne is a skin disease involving the oil glands at the base of hair follicles. It affects 3 in every 4 people aged 11 to 30 years. It is not dangerous, but it can leave skin scars. …