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

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 ...

Sebum oils play critical functions in the human skin, ranging from thermoregulation to antimicrobial defence. However, excess sebum production can contribute to the development of acne vulgaris.

A viewer wants to know if there is anything they can do for a keratin plug, besides going to the dermatologist. Doctor Lacy Anderson shares the difference between a sebum plug and keratin plug, and ...