I'm considering an eyebrow transplant, but the hair on my head looks nothing like the hair on my eyebrows. I am of African descent and have Afro-textured hair on my head. My underarm and pubic hair are straight and more similar to my eyebrows. I've seen many comments that it is best to use air from the head, but can someone explain why this is best and what have you seen work on other people of African ancestry?