Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
May 2026 in “The EMBO Journal” Feather follicles form through specific cellular flows and mechanical changes in the skin.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” MPZL3 is crucial for seborrheic dermatitis development.
December 2025 in “Cureus” Avoiding friction and using topical treatments can significantly improve rough skin caused by repeated rubbing.
236 citations
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April 2015 in “Cell” Plucking some hairs can trigger nearby unplucked hairs to grow back more due to a collective response.
December 2004 in “PLoS ONE” The Foxn1(-/-) phenotype disrupts hair growth and affects skin stem cells.
7 citations
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December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
29 citations
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October 2010 in “Journal of Investigative Dermatology” Activating Kras in mouse skin causes excess skin and hair loss.
25 citations
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June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
25 citations
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August 1991 in “Journal of Investigative Dermatology”
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
20 citations
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December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
3 citations
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February 1983 in “Journal of Investigative Dermatology” Hair plucking quickly increases antizyme, reducing a specific enzyme activity in rats.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
1 citations
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December 2017 in “Anais Brasileiros de Dermatologia” Frontal fibrosing alopecia can mimic traction alopecia but has distinct features like facial papules and eyebrow thinning.
7 citations
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January 2012 in “International journal of trichology” Permanent hair removal with lasers may cure itchy black hair bristles on the back.
103 citations
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December 1986 in “Journal of Investigative Dermatology” April 2011 in “www.virtualization.info” Early diagnosis of trachyonychia improves treatment and reduces psychological and cosmetic issues.
18 citations
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March 2023 in “Molecular Therapy — Nucleic Acids” Mechanical stimuli and CCL2 can help regenerate hair follicles in adult mice.
51 citations
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March 1990 in “Journal of Investigative Dermatology” 12 citations
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January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
Retinoic acid can change skin development, like turning scales into feathers or forming glands.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
107 citations
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September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
August 2024 in “Microscopy Research and Technique” The study identifies the pheromone gland's location and structure in Endoclita vietnamensis, aiding future pest control methods.
97 citations
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January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
3 citations
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October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.