Skin Care

Hair growth is a somewhat mysterious process. Find out why different hair grows to different lengths.

Anyone who's ever regretted a haircut has wondered about the pace of hair growth. Is there any way to speed it up or slow it down? And why does some people's hair grow so quickly?

There is something mysterious about the sun and skin: Why do some people tan, and others burn? What's happening, and why does sunscreen prevent it? Find out exactly what the sun does to your skin.

By Marshall Brain

About 50 percent of those who get tattoos later regret them. Find out how laser tattoo removal techniques are helping people of all ages rid themselves of something that they no longer want on their bodies.

Not too long ago, tattoos were taboo in Western culture. But today, people of all ages and walks of life are sporting permanent ink.

By Tracy V. Wilson

Millions of men and women around the globe are affected by thinning hair and severe hair loss. Learn about the various medications and procedures being used to "reverse" these conditions.