The perfect lip balm is both thin enough to sink into your lips and thick enough to sit on top of them in a protective, watertight layer. In other words, it doesn’t exist—but you can fake it with a ...

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 ...

And no part has it as rough as your kisser, which is always getting exposed to the elements, says Lily Talakoub, a doctor at the Center for Dermatology and Dermatologic Surgery (2311 M St. NW; 202-955 ...

Your skin produces sebum, which can be waxy or oily. Sebum production can contribute to acne, but it also moisturizes and offers protection for your skin. Sebum is an oily, waxy substance produced by ...