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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 among …

  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 acne, but it can …

  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 - Johns Hopkins Medicine

    Acne affects teens and adults of all ages. It occurs when oil secreted by sebaceous glands clogs the hair follicle. Bacteria infect the clogged follicle and cause pimples.

  9. 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 how to …

  10. Acne Causes: What Is Acne and Why Do I Have It? - WebMD

    Apr 27, 2025 · Contrary to popular belief, acne isn't caused by a harmful diet, poor hygiene, or an uncontrolled sex drive. The simple truth is that heredity and hormones are behind most forms of acne.