Sebum
Sebum is your body’s natural oily, waxy substance produced by the sebaceous glands. It acts as a built-in moisturizer and protective barrier, keeping your hair shiny and skin from drying out. It is primarily made of lipids like triglycerides, fatty acids, wax esters, and squalene. [1, 2, 3, 4] Functions of Sebum You can read … Read more