Understanding Hair Grafts: The Basics A hair graft is a strip or cluster of hair follicles transplanted from one area of the scalp (typically the back or sides) to areas affected by hair loss. Each graft can contain between 1 to 4 follicular units. The density and number of these grafts ultimately determine how natural and full your hair will look post-transplant. In practical terms... https://qhtclinic.com/blogs/how-many-grafts-do-you-need-for-a-full-hair-transplant/