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 ...

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.

It’s just [that] your hair is dirty.” For me, tenderness occurs when I touch my greasy hair in the wrong place or I go to tie it up. When I eventually wash it, the sore feeling disappears ...

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 ...