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

    Acne is a common skin condition that happens when hair follicles under the skin become clogged. Sebum—oil that helps keep skin from drying out—and dead skin cells plug the pores, which leads to …

  2. Acné | Temas de salud | NIAMS

    ¿Qué es el acné? Es una afección de la piel que ocurre cuando se obstruyen y se inflaman los folículos pilosos por la acumulación de grasa de las glándulas, bacterias y células muertas en los poros.

  3. Acne: Diagnosis, Treatment, and Steps to Take

    What is acne? It is caused when blocked skin follicles from a plug caused by oil from glands, bacteria, and dead cells clump together and swell.

  4. 什麼是青春痘 (Acne) | NIAMS

    Jun 26, 2024 · Learn about acne, including how it is diagnosed and treated, and the steps you can take to help prevent outbreaks.

  5. Acne: Research & Resources

    What is acne? It is caused when blocked skin follicles from a plug caused by oil from glands, bacteria, and dead cells clump together and swell.

  6. Mụn (Acne) | NIAMS

    Jun 26, 2024 · Mụn trứng cá là một loại bệnh ảnh hưởng đến tuyến dầu của da. Những lỗ nhỏ trên da quý vị (lỗ chân lông) kết nối với tuyến dầu dưới da. Những tuyến này tạo ra chất dầu được gọi là bã …

  7. Rosacea Symptoms, Causes, & Risk Factors | NIAMS

    Rosacea is a long-term skin condition that causes reddened skin and a rash, usually on the nose and cheeks. Learn symptoms and possible causes.

  8. Hidradenitis Suppurativa Symptoms & Risk Factors | NIAMS

    Hidradenitis suppurativa (also known as acne inversa) is a chronic, noncontagious, inflammatory condition characterized by pimple-like bumps or boils and tunnels or tracts on and under the skin.

  9. Rosacea: Diagnosis, Treatment, and Steps to Take

    What is rosacea? It is a long-term disease that causes reddened skin and pimples, usually on the face. It can also make the skin thicker and cause eye problems.

  10. 여드름 건강 토픽 (Acne) | NIAMS

    Jun 26, 2024 · Learn about acne, including how it is diagnosed and treated, and the steps you can take to help prevent outbreaks.