Understanding Lichen Planopilaris (LPP) and Its Challenges in Hair Restoration Lichen Planopilaris (LPP) is a rare inflammatory scalp disorder that leads to permanent hair loss due to follicle destruction. For hair restoration surgeons, LPP presents significant challenges, including: Unpredictable Progression: LPP can be dormant for years but may flare up unexpectedly, leading to further hair loss even after transplantation. Scalp Inflammation: Active inflammation increases the risk of graft fai