Q I'm constantly applying lip balm. Is it possible that the more I use it, the more I need it?

A "That's exactly what's happening," says Amy Derick, M.D., a dermatologist in Barrington, Illinois. "But you aren't addicted--you've simply grown so accustomed to the way your salve makes your lips feel, you perceive your pout as parched when it's not coated." Another reason you might be over-applying: "Many balms come in yummy flavors, like vanilla, which causes you to lick your lips," adds Derick. "As saliva evaporates from your skin, it removes not only the product, but the moisture from your...