I feel silly even asking this question, but there's a quirk of my anatomy that I find interesting, and I can find nothing about it online. I am looking for information on whether this quirk is documented, and whether it has any biological role.
I am a Caucasian male, and my quirk is that I have two different kinds of pubic hair. On my genitals and immediately above, I have a dark wiry kind of hair like that which I find under my armpits and on my chest. Above this, there is a second bundle of hair which is fairer (similar color to the hair on my head) and curlier. The color difference between the two hair types is marked. There is also a small amount of hair continuing up to my navel, which appears to be of the first type (same as chest, armpits, and genitals).
So my questions are:
- Is this a common feature?
- If not, is it documented at all?
- Does it serve a biological purpose?
My reason for asking 3, in particular, is that I've heard multiple explanations for the existence of pubic hair. One theory is that it indicates sexual maturity. Another is that it is related to hygiene. My anatomy seems to suggest both might be true: Hair under armpits is presumably for some practical purpose, like wicking sweat out of an otherwise dank crevice, and the hair on the genitals would appear to have the same effect. On the contrary, colored hair like that on the head is presumably a secondary sexual characteristic, and the fact that I have a bunch of colored pubic hair above my genitals (where there is no apparent practical purpose, as with the hair below) would seem to serve the same purpose.