Ellen K. Roh MD


Alopecia Areata

What is alopecia areata? Alopecia areata is a type of hair loss that occurs when your immune system mistakenly attacks hair follicles , which is where hair growth begins. The damage to the follicle is usually not permanent. Experts do not know why the immune system attacks the follicles. Alopecia areata is most common…

Keloid Scars

A keloid (say “KEE-loyd”) is a scar that grows bigger and wider than the original injury. Keloids most commonly grow on the breastbone, shoulder, upper chest and back, earlobes, and face. Keloids do not become cancer. But they can be bothersome or painful enough that you seek treatment. Keloids often grow back after…

Hydrocortisone for Itching

Hydrocortisone cream, gel, or ointment is available without a prescription. It is commonly used to treat skin inflammation and itching. Precautions Carefully read and follow all label directions on the medicine bottle or box. Do not use the cream on children younger than age 2 unless your doctor tells you to. Do not use…

Acne: Tips for Keeping It Under Control

You can help prevent acne from getting worse by the way you wash your face: Gently wash your face once or twice a day with warm water and a mild soap or acne wash. Use gentle, circling motions rather than scrubbing your face. Always completely rinse your skin after you wash it, and gently pat it dry. Avoid rubbing your…

Skin Barrier Repair Moisturizers

Skin barrier repair moisturizers may work better than ordinary skin moisturizers for treating dry skin. These moisturizers have ingredients like ceramide that help the skin form a natural barrier. They work by reducing water loss and helping to rebuild the skin. Barrier repair moisturizers help reduce the burning and…