April 2022 in “Microbiology and Immunology” A specific DNA pattern in Malassezia restricta may be linked to hair loss in men.
113 citations
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March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
2 citations
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May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
December 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The conclusion is that the dermal papilla is crucial for hair follicle regrowth, and hair follicles undergo significant structural changes in addition to cell division during regeneration.
28 citations
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March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
3 citations
,
July 2019 in “Fibers And Polymers/Fibers and polymers”
17 citations
,
December 2010 in “Journal of Investigative Dermatology” Flightless I protein affects hair growth, with low levels delaying it and high levels increasing hair length in rodents.
November 2024 in “Cureus” Scalp edema may be a new variant of conditions reacting to scarring alopecia like LPP.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
December 2025 in “Therya notes” Bats in Puebla, Mexico, show hair loss likely due to environmental stress from human activities.
January 2008 in “Journal of Practical Medical Techniques” Microencapsulated cells can regenerate hair follicles in rat ears.
1 citations
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December 2022 in “Clinical, Cosmetic and Investigational Dermatology” Midscalp hair density and terminal hair percentage are good indicators of female pattern hair loss severity.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Spiny mice regenerate skin better than laboratory mice due to larger hair bulges, more stem cells, and different collagen ratios.
11 citations
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January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
21 citations
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June 2016 in “PloS one” Zebrafish need MYC and FGF to regenerate inner ear hair cells.
January 2005 in “Chinese Journal of Veterinary” Hairless mice lose hair by 3-4 weeks, develop thicker, folded skin, and show pigmentation differences.
58 citations
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April 2009 in “Dermatologic Surgery” Most women have a widow's peak and specific hairline features useful for designing hair restoration surgery.
February 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Merkel cells stabilize nerve endings in the skin, and they change independently of each other.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
4 citations
,
December 2022 in “Frontiers in cell and developmental biology” Zebrafish larvae are used to study and find treatments for ear cell damage because they are easier to observe and test than mammals.
February 2026 in “Cureus” Two methods reliably measure scalp area and hair count.
June 2024 in “Journal of cosmetic dermatology” The document corrects errors in a table about hair loss in women.
6 citations
,
April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
2 citations
,
October 1931 in “Archives of Dermatology and Syphilology” A rare scalp infection in a child developed into a kerion with additional skin symptoms.
208 citations
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
158 citations
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December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
July 2025 in “Dermatology Practical & Conceptual” Hair changes and a high occipital hairline may help diagnose Trichorhinophalangeal Syndrome.
17 citations
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August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.