Difference between Sweat and Sebum

Both sweat and fat excrete water and are secreted, excreted or removed from our bodies with the help of two different types of glands in the human skin Sweat and fat are located on the skin layer, usually near the hair follicles.

What is Sweat?

Sweat is a fluid or water-like secretion that is secreted and secreted by the salivary glands on the surface of the human skin. There are 300,000 to 400,000 salivary glands in the human body, distributed throughout the human body.

What is Sebum?

It is generally described as a hard or waxy secretion, expelled by sebaceous glands. These are sac-like glands, located in the epidermis of the skin.

Difference between Sweat and Sebum

Sweat	Sebum
Secretion
Sweat is secreted by sweat glands.	Sebum is secreted by sebaceous glands or oil glands.
Composition
Sweat is composed of water and salts.	Sebum is composed of oil, fatty acids, waxes and cholesterol.
Odour
Sweat is of a bad odour.	Sebum is odourless.
Type of secretion
Sweat is fluid in nature.	Sebum is oily in nature.
Discharged from
Sweat is discharged from the surface of the skin.	Sebaceous glands associated with the hair follicles secrete sebum.
Involved in
Thermoregulation.	Lubrication.
Present in
Present only in specific regions of the body like eyelids, ear, armpits, etc.	Present throughout the body except for palms and soles.