Why isn’t body hair FUE transplants to crown more common?

The crown isn’t a styling area, mostly just need the look of fullness over there. It’s common just to get that area micropigmentation. So why not just use some body hair to fill it in? I know there’s a reason why, otherwise it would be done more. But what is it? Body hair donor sites have problems with them as follows: (1) they grow to a limited length...

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