What Exactly Is Sebum, and Why Is It So Important?
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 thrown off balance (which can happen for a number of reasons), a variety of issues can occur. What’s more, though the terms sebum and oil are sometimes used interchangeably in reference to skin, they are not one and the same.
What Is Sebum?
To get technical, sebum is “a complex mixture of fatty acids, sugars, waxes, and other natural chemicals that form a protective barrier against water evaporation,” explains Karen Hammerman, a board-certified dermatologist at Schweiger Dermatology Group in Garden City, New York.
Source : Yahoo! Life – What Exactly Is Sebum, and Why Is It So Important? Edited By, Rebecca Dancer