September 2023 in “Bioscience, biotechnology, and biochemistry” Bacterial communities on scalp hair are unique to each person but consistent across different scalp sites.
2 citations
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July 2016 in “Clinical and Experimental Dermatology” Some types of extracellular matrix can change how human skin cells grow but don't affect their basic functions.
63 citations
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October 1972 in “British Journal of Dermatology” Women with thinning hair have thinner hair strands than women without hair loss.
18 citations
,
September 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.
1 citations
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August 2016 in “Journal of Investigative Dermatology” Vδ1+ T-cells in the skin contribute to hair loss in alopecia areata and could be targeted for treatment.
115 citations
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September 2005 in “International Journal of Dermatology” Different ethnic groups have unique hair growth patterns, with African hair growing slower and less dense, Asian hair growing fast but sparse, and Caucasian hair being densest; men are more likely to experience hair loss than women.
1 citations
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May 2002 in “British Journal of Dermatology” Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.
1 citations
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July 2025 in “Scientific Reports” CD133+ cells are crucial for hair growth.
5 citations
,
June 2024 in “Developmental Cell” Activating TRPV1 can boost hair growth by involving neurons, macrophages, and fibroblasts.
23 citations
,
October 2007 in “International journal of cancer” X-ray diffraction of hair might help detect breast cancer non-invasively.
January 2001 in “Zhongguo linchuang jiepouxue zazhi” Human hair keratin may help repair spinal cord injuries.
88 citations
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January 2004 in “Journal of Neuroscience” Neurosteroids regulate synaptic inhibition in the spinal cord and may help manage spinal pain.
6 citations
,
December 2014 in “Clinical and Experimental Dermatology” Hair density and thickness decrease in all scalp areas for East Asians with AGA.
January 2008 in “Durham e-Theses (Durham University)” Hair follicle stem cells are similar to mesenchymal stem cells and can become neural-like cells under certain conditions.
4 citations
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November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
January 2020 in “대한피부과학회지” Dutasteride effectively increases hair density in women with hair loss.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
13 citations
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July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
11 citations
,
June 2012 in “Journal of Dermatological Science” Scientists identified a group of human skin cells with high growth and regeneration potential.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Trichoscopy is a quick, non-invasive way to measure hair density and thickness, helping diagnose hair loss.
April 2017 in “Plastic and reconstructive surgery. Global open” Fetal scalp cells have more regenerative genes than adult cells, and decellularized muscle matrix is better for muscle repair than commercial alternatives.
June 2002 in “Dermatologic Surgery” Chinese scalps have fewer hair clusters than Caucasians, and transplanting 30 clusters per square centimeter creates a natural-looking hairline for bald Chinese individuals.
July 1995 in “Journal of Dermatological Science” September 2023 in “International journal of molecular sciences” Pinus densiflora extract may help improve memory and reduce brain inflammation.
January 2025 in “International Journal of Biological Macromolecules” Decorin helps hair growth by influencing specific cell signals.
419 citations
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
10 citations
,
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
64 citations
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January 1995 in “Cells Tissues Organs” Merkel cells develop independently of nerves and are linked to specific hair follicles in mice.