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, ...

It’s been said before and it’s true: a healthy scalp is key to healthy hair. But for those dealing with pesky and sometimes painful scalp conditions like seborrheic dermatitis, that can be easier said ...

The skin flakes and itchy, red scalp that are telltale signs of seborrheic dermatitis (a.k.a. dandruff) are typically caused by a yeast type of fungus. “A yeast found on the skin called malassezia can ...