What are the risks of hair transplantation? Consider the donor site and recipient site separately

Hair transplantation can result in swelling, pain, itching, folliculitis, infection, bleeding, scarring, and unnatural hair direction[1]. Since risks differ between the donor site and recipient site, it is important to confirm them separately before surgery[2].

What risks are present at the donor site?

At the donor site, pain, numbness, scarring, and density loss are concerns. FUE leaves punctate scars, while FUT leaves linear scars[3]Even with FUE, if too many grafts are taken from a wide area, the back of the scalp may appear unevenly thin, so a plan to preserve donor density is necessary[2].

What happens at the recipient site?

At the recipient site, redness, swelling, itching, folliculitis, infection, bleeding, and pain are items to monitor[1]Although infection is rare, it can occur. If you notice pus, increasing pain, or fever, contact the clinic as soon as possible.[4].

Are scars the only aesthetic risk?

If the angle or direction of implanted grafts does not align with the surrounding hair growth pattern, hair may grow unnaturally.[1]Other aesthetic risks related to surgical design and extraction planning include a linear hairline, uneven density distribution, and transparency in the donor area.

Key points to minimize risks

Confirm donor density measurement, extraction area, implantation direction, hair follicle preservation and handling, and postoperative care as a comprehensive process. While there is expert consensus on perioperative procedures to enhance FUE graft survival, this does not guarantee results.[5].

Specific questions to ask during consultation

Confirm the scarring pattern with your extraction method, planned extraction area, how to contact the clinic in case of complications, and the approach to additional treatments. Inform the surgeon about scalp conditions, your scar-forming tendency, medications, and any previous hair transplant history so they can assess your individual risks.