26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
1 citations
,
January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
1 citations
,
August 2023 in “Expert opinion on drug delivery” Cedrol-loaded microneedles effectively promote hair growth.
2 citations
,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
27 citations
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January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
20 citations
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July 1998 in “Archives of dermatology” 38 citations
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November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
1 citations
,
April 2001 in “Biological Rhythm Research” Deuterium oxide extends the hair cycle duration in mice without changing hair structure.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
115 citations
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November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
October 2018 in “Deep Blue (University of Michigan)” Hair follicle development involves specific cells and genes, crucial for understanding severe skin diseases like harlequin ichthyosis.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
3 citations
,
December 2008 in “Frontiers of Agriculture in China” The Cashmere goat hair keratin gene is crucial for hair structure.
March 2014 in “CRC Press eBooks” Human head hair can grow very long and is thicker than most body hair.
15 citations
,
October 1976 in “Biochemical Journal” Naked-mouse hair lacks certain proteins and has less soluble fibril.
Guard hair length is positively correlated with guard hair diameter and down fiber length, but negatively correlated with variation in guard hair diameter and down fiber diameter.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
78 citations
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June 2003 in “Journal of the American Academy of Dermatology” Curly hair shape is determined by the hair bulb.
17 citations
,
February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
2 citations
,
December 2024 in “BMC Genomics” Key genes and pathways control sheep hair growth phases.
4 citations
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September 2020 in “Journal of Cutaneous Pathology”
2 citations
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January 2017 in “Skin appendage disorders” Women with and without hair loss have similar amounts of exogen hairs, so these hairs are not a key factor in hair loss conditions.
22 citations
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July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
11 citations
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January 2005 in “Brazilian Journal of Medical and Biological Research” Hairless USP mice have enlarged skin cysts as they age.
36 citations
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April 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Canine hair follicles have stem cells similar to human hair follicles, useful for studying hair disorders.
2 citations
,
June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
January 2026 in “Health Science Reports” Personalized hair care can help manage hair-focused repetitive behaviors.
81 citations
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September 2013 in “PLoS ONE” Primary and secondary hair follicle cells in Cashmere goats have different gene expressions affecting hair growth and size.