Overview
Development
The thicker, longer, and coarser hair that grows on the pubic area during puberty as a result of growing levels of androgens in males and estrogen in females is known as pubic hair (陰毛 Inmō). The body starts to create more sex hormones at puberty, which causes the skin in the genital area to start producing hair that grows more quickly.
Usage
On Pixiv, This tag is frequently used to encompass images were male and female pubic hair is present.