Joydeep Roy

Hair Shaft Disorders: A Critical Narrative Review of Classification, Diagnosis, Molecular Pathogenesis and Management

Joydeep Roy & R. Hosni Pasil · Asian Journal of Research in Dermatological Science · 2026

Hair shaft disorders comprise congenital and acquired structural abnormalities of the keratinised hair fibre. Although individually rare, they matter clinically because they cause fragility and cosmetic and psychosocial burden and, in syndromic forms, may provide the earliest vis...