15 Oct Hair Growth Types
Ι) Lanugo hairs:
In the 3rd month of pregnancy, smooth, colorless and soft hairs cover the entire embryo’s body which remains till few weeks before birth.
II) Vellus hairs:
It is fine, soft and barely pigmented hairs, usually 1 or 2 cm in long. Due to lack of pigment, they are nearly invisible. They emerge from hair follicles and usually have no sebaceous glands, so they don’t get oily.
ΙΙΙ) Terminal hairs:
It is distinguishable hairs of body and head, larger in diameter and length than vellus hairs. It is responsive to hormonal influence and has sebaceous glands. Man experience androgenetic alopecia, which is the most common type of male hair loss, a percentage of the terminal hairs progressively, weakens and ultimately converts into vellus hairs.