Every people are unique that is why every graft has different hairs. But the predicted number of hair on graft 2 sometimes 4 hair is best not more than 7 not less than 1. And you can not predict this number until the operation. Just a doctor can see after taking the graft while operation. Online consultation can not be sure of your graft density.
Grafts are hair follicles and hair cells for these cells. Each stem cell has an average hair, which may vary from person to person, and may even vary depending on the areas of the person’s head. It is impossible to reach a definite conclusion outside the hospital environment. Because these roots in a microscopic environment can understand how many hair strands.