Vellus hair also tends to be very short and is usually no longer than 2 millimeters.
In Latin,vellusmeans “fleece” or “wool.”
One of the primary functions of vellus hair is body temperature regulation, particularly during cold weather.
Bele Olmez / Creative RF / Getty Images
Vellus hair is instrumental in perspiration.
Vellus hair follicles, however, arenotconnected tosebaceous glandsand therefore do not producesebumor oil.
The hairwithinthe follicle is the living part of the hair.
The hair it’s possible for you to see is actually dead.
The majority of hair on the human body is vellus hair.
How Puberty Affects Hair Growth
Hair growth is one of the many changes that occurs during puberty.
The vellus hair, which was once smooth and light, becomes coarser, darker and longer.
Females tend to retain more vellus hair than males.
Vellus Hair Conditions
Sometimes vellus hair growth is abnormal and can be a sign of disease.
Anorexia nervosa may also increase the production of vellus hair.
The Growing Child: Adolescent 13 to 18 Years.
2018;10(3):118-123. doi:10.4103/ijt.ijt_102_17
