April 2012 in “Informa Healthcare eBooks” Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.
January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
6 citations
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November 2023 in “Experimental Dermatology” Biglycan helps regulate hair growth and regeneration.
53 citations
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September 2004 in “American journal of medical genetics. Part C, Seminars in medical genetics” Mutations in keratin genes cause cell fragility and various skin disorders.
29 citations
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February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
25 citations
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August 1991 in “Journal of Investigative Dermatology”
2 citations
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April 2021 in “International Journal of Molecular Sciences” The study concluded that changing the culture conditions can cause sika deer skin cells to switch from a flat to a 3D pattern, which is important for creating hair follicles.
27 citations
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August 2014 in “Wiley interdisciplinary reviews. Developmental biology” The skin and thymus develop similarly to protect and support immunity.
108 citations
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July 2002 in “Molecular and cellular biology” Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.
198 citations
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October 1986 in “Differentiation”
29 citations
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March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
2 citations
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August 2020 in “Scientific reports” Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.
26 citations
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March 1995 in “Differentiation” A rabbit gene important for hair development was identified and detailed.
September 2012 in “대한피부과학회지” Desmocollin 1 helps maintain skin structure during fetal development.
December 2025 in “American Journal of Dermatopathology” Keratin 19 may help diagnose and treat certain types of permanent hair loss.
2 citations
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May 2024 in “International Journal of Dermatology”
11 citations
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January 2018 in “Acta dermato-venereologica” Researchers found specific genes in the part of hair follicles that could help treat hair disorders.
26 citations
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April 1996 in “Journal of Investigative Dermatology”
July 2023 in “Research Square (Research Square)” Skin's uneven surface and hair follicles affect its stress and strain but don't change its overall strength, and help prevent the skin from peeling apart.
January 2026 in “Indian Journal of Dermatopathology and Diagnostic Dermatology” Corkscrew hairs can help diagnose trichotillomania.
July 2024 in “Journal of Investigative Dermatology” 1 citations
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January 2014 Crataegus pinnatifida extract promotes hair growth in mice.
35 citations
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January 2000 in “Journal of comparative neurology” Rat vibrissae have sensory terminals with specific structures that help detect hair movements.
May 2025 in “Experimental Dermatology” A new genetic tool improves the study of hair growth and potential hair disorder treatments.
13 citations
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August 2020 in “Frontiers in Cell and Developmental Biology” Twist1 helps maintain important features of cells crucial for hair growth by working with Tcf4 and β-catenin.
264 citations
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October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” CCL5 is important for the hair growth potential of human dermal papilla cells.
8 citations
,
April 2012 in “Laser Physics Letters” Antiseptic particles penetrate deeper into hair follicles than non-antiseptic ones.
13 citations
,
January 2007 in “International journal of pharmaceutics” Papain cream removes hair better than papain gel, causing hair follicles to widen and skin to thicken.