Your skin is made up of layers that are constantly changing. What do those skin layers do, and what do they look like? Check out these drawings and descriptions.

Do you know your skin type? Figuring that out is a first step to good skin care. Get the facts.

Is your skin super-sensitive or tough as nails? Take this test to find out.

How do you treat sunburn? What causes acne? Read the answers to these and four other common questions about skin.

If you live in the U.S., click on this map to get regional skin care tips.

Got any moles or freckles? How about skin tags, those little flaps of skin that hang off the body by a little stalk? Read about these common skin features.

Did you know that birthmarks can come in many different colors – including blue, pink, and purple? Read about pigmented birthmarks.

Port-wine stains, “strawberry marks,” and salmon patches (“stork bites”) are some of the types of red birthmarks. Learn their causes and treatments.

Skin changes as we get older. What can you expect and why does it happen? Find out. 

Nearly 17 million people in the U.S. have acne. What causes acne -- and what doesn’t? Get the facts.

Your skin naturally changes with age, and sun damage can ramp up that process. Read about aging skin.

Read more about psoriasis here.

Scientists don’t know exactly how rosacea starts. But they do know about some rosacea triggers, including heat, alcohol, and emotional stress. Read more.

Poison ivy, poison oak, and sumac plants can spell trouble for your skin. Find out why the old saying, “leaves of three, let it be” may be a little misleading.

Diabetes may raise the risk of skin problems, especially if the diabetes is untreated. Find out why, and what to do about it.

Some skin conditions are more common among people of color, according to the American Academy of Dermatology (AAD). This link will take you to the AAD’s web site.

Wrinkles and other skin changes may start decades before you consider yourself an “elder.” Find out if such problems can be prevented and treated.

Some drugs may make skin more sensitive to sun and heat. This link will take you to a list on the web site of Consumer Reports.

Do your skin a favor by learning how to avoid sun damage. Get sun safety tips for your skin.

Videos on preventing skin damage.

If you’ve got diabetes, the information in this article may help you keep your skin healthy.

Take action to help keep your psoriasis under control. These 10 tips may help you take action to keep your psoriasis under control.