The American Academy of Dermatology provides information about the care of skin, hair, and nails. You can locate a dermatologist in your area by using their "Find a Dermatologist" tool at www.aad.org/find-a-derm.

The Centers for Disease Control and Prevention (CDC) is an agency of the U.S. Department of Health and Human Services. The CDC works with state and local health officials and the public to achieve better health for all people. The CDC creates the expertise, information, and tools that people and communities need to protect their health—by promoting health, preventing disease, injury, and disability, and being prepared for new health threats.