GENERAL HISTOLOGY

Detailed explanation-1: -What does sebum do? Sebum, composed of fats, helps lock moisture into the skin and it helps protect the skin from UV radiation. It even helps repel certain bacteria, protecting you and your skin from infection.

Detailed explanation-2: -Human sebum consists of squalene, esters of glycerol, wax and cholesterol, as well as free cholesterol and fatty acids (Table 1). Triglycerides and fatty acids, taken together, account for the predominant proportion (57.5%), followed by wax esters (26%) and squalene (12%).