30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
August 2001 in “Dermatologic Surgery” Elliptografting gives better hair appearance and satisfaction than other methods.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
11 citations
,
January 2016 in “Biointerphases” The hair's outermost surface has multiple layers of lipids and proteins.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
40 citations
,
March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
13 citations
,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
January 2000 in “The Mouseion at the JAXlibrary (Jackson Laboratory)” The lanceolate hair-J mutation in mice helps understand human hair disorders like Netherton's syndrome.
9 citations
,
June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
17 citations
,
June 1990 in “PubMed” Hair varies in size and features depending on body region.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
36 citations
,
July 1988 in “Archives of Dermatological Research” Pili annulati is caused by a protein metabolism disorder affecting hair structure.
30 citations
,
July 2000 in “PubMed” Hair has unevenly distributed proteins and lipids, with lipids mainly in the cuticle and proteins in the cortex and medulla.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.