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    Glossary Pili Annulati

    rare hair disorder with alternating light and dark bands

    Pili Annulati, also known as "ringed hair," is a rare hair shaft disorder characterized by alternating light and dark bands along the hair, giving it a striped appearance. This condition is usually benign and does not affect hair growth or overall health, but it can be identified through microscopic examination of the hair shaft.

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    1. Update on detection, morphology and fragility in pili annulati in three kindreds Journal of the European Academy of Dermatology and Venereology · 2004 · 49 citations
    2. Pathogenesis of pili annulati Archives of Dermatological Research · 1988 · 36 citations
    3. Pili annulati with fragility: Electron microscopic findings of a case International journal of trichology · 2012 · 13 citations
    4. Pili Annulati International Journal of Dermatology · 1988 · 7 citations
    5. Pili Annulati with Multiple Fragile Hairs Annals of Dermatology · 2017 · 4 citations
    6. Isolated patchy heterochromia with pili annulati features on light and electron microscopy Dermatology practical & conceptual · 2022 · 1 citations
    7. Pili Annulati: A case series and proposal for classification Skin Appendage Disorders · 2026
    8. Ultraviolet-Enhanced Trichoscopy—A New Tool to Assess Pili Annulati Dermatology Practical & Conceptual · 2025
    9. Dermoscopic Features of Pili Annulati: Features of PA Skin Research and Technology · 2024
    10. Coexisting trichorrhexis nodosa and pili annulati: a case report of hair shaft abnormalities in a syrian family Annals of Medicine and Surgery · 2024
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    Community 2 of 3

    1. Oral Minoxidil - Multiple Facial Hair in One Follicle / Pili Multigemini Question Reddit · 17 Nov 2025
    2. Pili migrans? Lichen something? Seb derm? Community · 30 Mar 2025
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