As children we always had several questions about our bodies, which were alien to us, this post is to serve a decade-long curiosity of young boys/girls about their pubic hair and its texture.
The Tanner scale looks at the development of pubic hair. Before the onset of puberty, the genital area of both boys and girls has very fine vellus hair, referred to as Tanner stage 1 hair. As puberty begins, the body produces rising levels of the s*x hormones, and in response the skin of the genital area begins to produce thicker and rougher, often curlier, hair with a faster growth rate. The onset of pubic hair development is termed pubarche. The change for each hair follicle is relatively abrupt, but the extent of skin which grows androgenic hair gradually increases over several years.
In males, the first pubic hair appears as a few sparse hairs that are usually thin on the scrotum or at the upper base of the penis (stage 2). Within a year, hairs around the base of the penis are abundant (stage 3). Within 3 to 4 years, hair fills the pubic area (stage 4) and becomes much thicker and darker, and by 5 years extends to the near thighs and upwards on the abdomen toward the umbilicus (stage 5).
Other areas of the skin are similar, though slightly less, sensitive to androgens and androgenic hair typically appears somewhat later. In rough sequence of sensitivity to androgens and appearance of androgenic hair, are the armpits (axillae), perianal area, upper lip, preauricular areas (sideburns), periareolar areas (nipples), middle of the chest, neck under the chin, remainder of chest and beard area, limbs and shoulders, back, and buttocks.
A dermatologist claims that the texture of pubic hair tends to be thicker and more coarse than hair on the rest of our body because of its origins as a buffer. “It prevents friction during intercourse that can cause skin abrasion and rashes,” he says. “More importantly, pubic hair serves as protection against bacteria and other pathogens.”
We evolved to keep our pubic hair even after we lost most other body hair because it provides more surface area for pheromones to disperse into the air. So, it makes sense that the hair would be curly and coarse--more surface area in a smaller area.
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