January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
2 citations
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May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
January 2023 in “Zenodo (CERN European Organization for Nuclear Research)” An 8-year-old boy with neurofibromatosis type one also has rare hair and eye disorders.
March 2017 in “European Urology Supplements” Gene differences affect finasteride side effects in men with hair loss.
62 citations
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November 2016 in “Nanoscale” Medium to larger nanogels effectively deliver drugs through hair follicles when heated.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
4 citations
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January 2021 in “Skin appendage disorders” Trichodynia is a painful scalp condition not directly linked to the amount or type of hair loss and may involve psychological factors, with treatments showing mixed results.
September 2025 in “Current Oncology” LncRNAs may help improve brain cancer treatment and diagnosis.
11 citations
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February 2019 in “Stem cells international” Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.
January 2013 in “프로그램북(구 초록집)” A 0.5 mm microneedle roller best promotes hair growth.
13 citations
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October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
1 citations
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October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
1 citations
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April 2020 in “medRxiv (Cold Spring Harbor Laboratory)” The study found that Tourette Syndrome may be linked to certain immune system processes and synaptic signaling.
50 citations
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April 2021 in “Frontiers in Immunology” New therapies targeting skin neuroimmune interactions could treat neuropathic pain.
January 2016 in “Hair transplant forum international” Hair transplant surgery can sometimes lead to nerve pain in the face.
3 citations
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May 2008 in “Journal of Visualized Experiments” Mouse Epidermal Neural Crest Stem Cells can become various cell types.
34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
42 citations
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September 2000 in “British Journal of Dermatology” Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
September 2025 in “Medical Materials Research” Microneedles offer a painless, precise, and versatile method for drug delivery and disease treatment.
73 citations
,
August 2019 in “Cell Proliferation” Human skin models are essential for studying skin's sensory, immune, and nervous system interactions.
59 citations
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July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
3 citations
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January 2020 in “Acta Dermato Venereologica” Netherton Syndrome can cause severe skin lesions in rare cases.
January 2003 in “Zhongguo linchuang jiepouxue zazhi” Human hair keratin may help repair injured spinal cord tissue in rats.
39 citations
,
December 2012 in “The American Journal of Human Genetics” Mutations in the SNRPE gene cause hereditary hair loss.
55 citations
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January 2016 in “Annals of Dermatology” Microneedle stimulation can increase hair growth in mice.
1 citations
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
April 2018 in “Journal of Investigative Dermatology” African spiny mice can regenerate skin and hair after wounds due to specific tissue mechanics.
31 citations
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June 2011 in “Movement Disorders” The document describes a woman with familial Parkinson's disease due to a genetic mutation, showing severe symptoms and poor response to treatment, and suggests finasteride may help reduce symptoms in Tourette syndrome.
January 2021 in “Advanced Biomedical Engineering” Needle shape affects the force needed for hair implants, with certain shapes reducing the effort required.