Hair Transplant What Is the Safe Donor Zone Explained: The Risk-Gradient Framework That Reveals Why the Boundary Is Not a Line but a Spectrum
The safe donor zone in hair transplantation is widely misunderstood as a fixed boundary—but science reveals it's a gradient of risk shaped by age, genetics, and ethnicity. Misreading it is one of the leading causes of repair cases, which reached 6.9% of all procedures in 2024. This guide gives you the risk-gradient framework you need before your first consultation.













