Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Whether you're dealing with a dry, flaky scalp or one that tends to be on the ...

Sebum is an oily substance that protect and hydrate the skin’s surface. It mixes with fat molecules, called lipids, to form a protective coating on the skin. The sebaceous glands produce sebum. It ...

What's oily, a bit waxy, and secreted from your skin head-to-toe? Though it may not be the most pleasant-sounding skin-care term, sebum is a crucial component of the skin barrier — and when it's ...