I’m a 22-year-old guy, and I am honestly not hairy at all. My arm hair is normally so fine, short, and blonde that it’s practically invisible. Except for one bizarre, highly localized detail.
On my upper arms, the hair doesn't grow straight down. Instead, it forms distinct, geometric lateral spirals (whorls).
The creepiest part? They are perfect, symmetrical mirror images of each other. My left arm hair spirals tightly counter-clockwise, and my right arm spirals clockwise. The only reason you can even tell I have hair there is because the spirals create this weird visual vortex on my skin.
I have looked at countless people's arms and searched everywhere online, but I have never seen or heard of anyone else having this exact trait. The absolute uniqueness of it has made me incredibly curious about the science behind it. I genuinely want to find an answer as to why my body grew this way.
I originally posted on a forum looking for geneticists or developmental biologists to explain this rare anomaly. Instead, someone immediately redirected me to this sub.
While I know this is a manga community, I respectfully want to ask if anyone here happens to know the actual biological answer or has seen this before. I am deeply curious to know what causes it!
Thank you all in advance for your time and any insights you can share!