Melanoma is a type of skin cancer that forms in the cells that produce skin color. Learn about symptoms and treatment.
Basal cell carcinoma accounts for 80 percent of all skin cancers. The cause is damage to the DNA of cells in the epidermis, the top layer of the skin.
Acne is a skin condition characterized by pimples, blackheads, and whiteheads on the face, back, and chest. Learn about symptoms and treatment.
Alopecia areata happens when the immune system attacks hair follicles. This causes the hairs in those follicles to fall out and not grow back.
Actinic keratosis (AK) is a scaly and rough patch of skin caused by years of sun damage. Learn about symptoms and treatment.
Allergic contact dermatitis is the skin's reaction to an irritant—anything from poison ivy to certain fabrics can cause your skin to flare. Learn about symptoms and treatment.
Eczema is the diagnosis for chronic dry skin that brings extremely itchy, pink skin or red rashes. It's common in kids, but adults get eczema too.
A disease caused by ultraviolet light that comes from the sun’s rays.
Photodynamic therapy is a sun damage treatment that relies on a photosensitizing drug and particular kind of light. Learn about symptoms and treatment.
Melanocytic nevus is the medical term for moles. They can develop on any part of the body and in most cases, they don't require treatment.