14 Facts About Androgenic hair

Body hair, or androgenic hair, is the terminal hair that develops on the human body during and after puberty.

The growth of androgenic hair is related to the level of androgens and the density of androgen receptors in the dermal papillae.

Androgenic hair follows the same growth pattern as the hair that grows on the scalp, but with a shorter anagen phase and longer telogen phase.

Terminal arm Androgenic hair is concentrated on the wrist end of the forearm, extending over the hand.

Vellus arm Androgenic hair is usually concentrated on the elbow end of the forearm and often ends on the lower part of the upper arm.

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The Androgenic hair is softer and different from terminal arm Androgenic hair, in texture.

Visible Androgenic hair appearing on the top surfaces of the feet and toes generally begins with the onset of puberty.

Pubic Androgenic hair is a collection of coarse Androgenic hair found in the pubic region.

The average ages pubic Androgenic hair begins to grow in males and females are 12 and 11, respectively.

Underarm Androgenic hair normally starts to appear at the beginning of puberty, with growth usually completed by the end of the teenage years.

The sequence of appearance of terminal Androgenic hair reflects the level of androgen sensitivity, with pubic Androgenic hair being the first to appear due to the area's special sensitivity to androgen.

Androgenic hair provides tactile sensory input by transferring hair movement and vibration via the shaft to sensory nerves within the skin.

Androgenic hair extends the sense of touch beyond the surface of the skin into the air and space surrounding it, detecting air movements as well as hair displacement from contact by insects or objects.

Thermodynamic properties of Androgenic hair are based on the properties of the keratin strands and amino acids that combine into a 'coiled' structure.