Fact Sheets

Allergic Contact Dermatitis
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.
Viral Warts
Viral warts are viral infections of the skin that are most common on the hands and feet. Learn about symptoms and treatment.
Photoaging (Sun Damage)
Photoaging is when the sun prematurely—and sometimes dangerously—ages the skin. Learn about symptoms and treatment.
Benign Eyelid and Eye Growths
While not cancerous, benign growths on the eyelid or eye can become uncomfortable or interfere with vision. These growths are common and treatable.
Squamous Cell Carcinoma
Squamous cell carcinoma is a cancer in the middle and outer skin layers caused by ultraviolet (UV) exposure. Learn about symptoms and treatment.
Ringworm (Tinea)
A fungal infection that can affect the skin, fingernails, toenails, and/or hair.
Keloids
Keloids are overgrowths of scar tissue that can sometimes appear when an injury heals. Learn about symptoms and treatment.
Acne (Acne Vulgaris)
Acne is a skin condition characterized by pimples, blackheads, and whiteheads on the face, back, and chest. Learn about symptoms and treatment.
Basal Cell Carcinoma (BCC)
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.
Lichen Sclerosus
Lichen sclerosus is a rare skin disease that causes itchy and painful patches of thin, white, wrinkled-looking skin. Learn about symptoms and treatment.