This volume is the translation of "كتاب فی علل الشعر" (Book on Hair Disorders), a significant work by the renowned 10th-century physician and philosopher, Qustā bin Lūqā al-Al-Ba'albeki. This seminal text, originally composed in Arabic, offers a valuable glimpse into the medical thought of the Islamic Golden Age, particularly concerning the understanding and treatment of hair disorders. This translation aims to make this important work accessible to a wider audience of scholars, researchers, and those interested in the history of medicine. The Urdu translation will serve to enrich scholarly discourse within the South Asian context, while the English translation will facilitate its integration into global academic discussions