Black dots on the nose are one of the most stubborn and misunderstood skin concerns. Often mistaken for trapped dirt, these ...

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 ...

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 ...