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  1. Keloid scar - Symptoms and causes - Mayo Clinic

    Jul 13, 2023 · Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.

  2. Acne scars: What's the best treatment? - Mayo Clinic

    Acne scars are stubborn, and no single treatment is best for everyone. One or a combination of the following approaches might improve the appearance of your skin, depending on your scar type, your …

  3. Keloid scar - Diagnosis and treatment - Mayo Clinic

    Jul 13, 2023 · Learn about how to prevent, remove or flatten these problematic raised scars that form over scars from acne, tattoos, piercing and other injuries.

  4. Self-injury/cutting - Diagnosis and treatment - Mayo Clinic

    Nov 21, 2024 · Diagnosis Although some people may ask for help, sometimes family or friends discover the self-injury. Or a health care provider doing a routine medical exam may notice signs, such as …

  5. Smallpox - Symptoms and causes - Mayo Clinic

    Aug 5, 2022 · These more-severe forms are most common in pregnant women and children. People who recover from smallpox usually have severe scars, especially on the face, arms and legs. …

  6. Laser resurfacing - Mayo Clinic

    Oct 26, 2024 · Laser resurfacing is a procedure that uses an energy-based device to improve the look and feel of skin. It's usually used to reduce fine lines, age spots and uneven skin color in the face. …

  7. 痤疮疤痕:最好的治疗方法是什么? - 妙佑医疗国际

    Learn more about services at Mayo Clinic.

  8. Dermabrasion - Mayo Clinic

    Aug 5, 2025 · Dermabrasion, sometimes called microdermabrasion, is a skin treatment that uses a fast-spinning device to remove the top layer of skin. When new skin grows back, it usually is smoother. …

  9. Nonprescription acne treatment: Which products work best?

    May 14, 2024 · You can buy many acne medications at the store to treat mild to moderate acne and prevent breakouts. They include cleansing lotions, gels, foams and towelettes, leave-on products, …

  10. Self-injury/cutting - Symptoms and causes - Mayo Clinic

    Nov 21, 2024 · Permanent scars or other permanent harm to the body. Worsening of underlying issues and conditions, if not properly treated. Severe injury that could possibly lead to death. Suicide risk …