Dear Doctors: I have dandruff, and my doctor says it’s from seborrheic dermatitis. Can you explain what that is?
I’ve been using the special shampoo I was given, and it helps. When I stop using it, though, the dandruff comes right back. Also, it’s making my hair really dry.
Dear Reader: Dandruff is a condition in which the skin on the scalp begins to flake and shed. It is often caused by a mild form…