What is Sebum?

Sebum is a fatty substance secreted from the sebaceous glands. Most of these glands open into hair follicles.

* Include triglycerides—the most common form of fat comprised of three fatty acids linked to a glycerol molecule; as well as mono- and diglycerides with one and two fatty acids linked to the glycerol, respectively.

** An oily biochemical that helps synthesize cholesterol and steroids.

Ý Cholesterol oxygen-linked (esterfied) to a fatty acid.