Pubic hair
Terminal body hair in the genital area, developing during puberty.
Pubic hair is terminal body hair found in the genital area and pubic region of adolescent and adult humans. It develops during puberty as an effect of rising levels of androgens in males and estrogens in females, and is considered a secondary sex characteristic. Many cultures regard pubic hair as erotic, and its exposure in public is often regarded as disgraceful or embarrassing, leading to grooming or removal practices.
- type
- body hair
- development_stimulus
- androgens (males) and estrogens (females)
- first_appearance
- puberty (pubarche)
- associated_condition
- pubic lice infestation
- grooming_injury_rate
- about one quarter of groomers have had at least one lifetime injury
Lore & Background
Pubic hair forms in response to increasing levels of testosterone in both girls and boys. The Tanner scale describes its development: before puberty, fine vellus hair is present (stage 1); at onset, thicker, curlier hair appears (stage 2); within years, it fills the pubic area and extends to thighs and abdomen (stages 3–5). In females, pubarche is usually the second sign of puberty after thelarche. In males, the first sparse hairs appear on the scrotum or penis base, becoming abundant within a year.
Reader's Guide
Pubic hair serves several proposed functions: as a defense mechanism against bugs and insects, as a scent trap (per zoologist Desmond Morris), and as a partial cushion during intercourse. It can vary in color and texture, often darker than scalp hair and similar to eyebrows. Patterns differ by sex and ethnicity—females typically have a triangular patch, males a more upward-pointing triangle. Clinically, pubic hair can host pubic lice, which are spread through sexual contact and cause intense itching. Grooming is associated with injuries, infections, and increased risk of sexually transmitted infections such as herpes, syphilis, and human papillomavirus. The story of John Ruskin's alleged shock at his wife's pubic hair is disputed, with some biographers suggesting menstruation as the more likely cause of marital difficulties.
Did You Know?
- Pubic hair can develop from adrenal androgens alone, even when the ovaries or testes are defective.
- Pubic lice are adapted to the specific diameter of pubic hair and can travel up to 10 inches on the body.
- Frequent removal of pubic hair is associated with an increased risk for herpes, syphilis, and human papillomavirus.
- About one quarter of people who groom their pubic hair have had at least one lifetime injury from the practice.
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