Learn more about polar bear sebum, the oil on their fur that prevents ice from sticking to them, and how it could be used to ...

Not only does it look gross on your bathroom countertop, but a dirty hairbrush can also have a negative impact on your hair.

Elise Minton Tabin is an award-winning beauty journalist, editor, and expert with more than 16 years of experience. Dirty hair, don’t care? It’s not so simple. That’s because dirty hair can ...

Dirty hair, don’t care? It’s not so simple. That’s because dirty hair can, unbeknownst to many, be the source of hair and scalp pain and discomfort. Whether you skip a few days between ...

With dirty hair, a buildup of oils can also cause yeast and bacteria to form on the scalp, which Hazan says can clog the pores and leave hair itchy. When you scratch your scalp with intentions of ...