Where Does Hair Transplant Hair Come From

Where Hair Transplant Hair Comes From

Hair transplant hair comes from the patient's own body, usually the back and sides of the scalp where hair is genetically resistant to balding. A surgeon moves these follicles to thinning or bald areas, where they keep their original growth characteristics. Because the tissue is your own, the risk of rejection is extremely low.

Common Donor Areas

The most frequent donor site is the occipital zone, the strip of skin at the back of the head below the crown. The temporal and parietal zones along the sides serve as supplemental sources when the back supply is limited. In body hair transplants, follicles are taken from the beard, chest, arms, or legs, typically when scalp donor hair is insufficient.

How the Harvest Works

There are two main techniques. Follicular Unit Transplantation removes a thin strip of scalp, which is then dissected into individual follicular units under a microscope. Follicular Unit Extraction uses a tiny punch tool to pull each follicle directly from the skin, leaving small dot scars that heal quickly. The choice depends on scalp laxity, hair density, and the size of the area being treated.

What Makes a Good Donor

Surgeons evaluate the donor area for density, texture, and the ratio of terminal to vellus hairs. Stable, permanent hair at the back of the head is ideal because it retains its resistance to androgens after transplantation. A strong donor zone gives the surgeon enough coverage to create a natural-looking hairline and full density in the recipient area.

Limitations and Realistic Expectations

Donor hair is finite. Each graft is taken from a finite supply, so overharvesting can thin the donor site and limit future procedures. Body hair transplants produce coarser, less dense results than scalp hair and are usually reserved for coverage rather than a full-density restoration. A thorough evaluation by a qualified surgeon is the best way to determine what your donor area can supply.