Call it a man bun ... pulls his long chestnut hair in front of him; then he performs a twisting and wrapping motion until his hair is firmly tucked into a knot at the back of his head.

But hipster 'man buns' can lead to permanent hair ... but have suffered permanent hair loss. Years of tying hair back in a knot has pulled the roots along the hairline. 'Another at-risk group ...

151; -- The top-knot ... hair is pulled too tight, too often, she said. The hair loss can be permanent. "Once the follicle is scarred, the hair is permanently lost and that means it won't grow ...

I used to simply think of it as a little knot I pulled some of my hair into to get off my face. But ever since the fellas have started taking to the look, the man bun has gone viral. The first ...