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  1. Acne - Canadian Dermatology Association

    Several factors can make acne flare up or lead to breakouts, but the triggers can vary from person to person. Every person is different. You can help to control the condition by avoiding things that you …

  2. 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 …

  3. 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.

  4. 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]

  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 - 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 glands produce …

  8. Acne treatments - Canada.ca

    Acne is common in young adults, teens and pre-teens and may cause emotional and self-esteem problems. In severe cases, medical treatment may be needed. There are many over-the-counter …

  9. 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.

  10. Acne | Acne Action I Acne and Rosacea Society of Canada

    Find out about acne, effects and treatments with Acne Action. Learn about acne and get the latest news. Take our acne quiz to understand why it happens.