January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
Researchers made a mouse model with curly hair and hair loss by editing a gene.
16 citations
,
January 2021 in “BMC Genomics” Higher hair follicle density leads to more wool in rabbits, influenced by specific genes and lncRNAs.
2 citations
,
November 2011 in “Pediatric dermatology”
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
31 citations
,
April 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Frontal fibrosing alopecia can cause sudden hair loss on limbs, similar to scalp hair loss.
2 citations
,
January 2000 in “Journal of Toxicologic Pathology” A single recessive gene causes sparse hair in certain Japanese White rabbits.
22 citations
,
January 1985 Water makes hair more flexible, especially the outer layer.
31 citations
,
October 2010 in “Journal of the European Academy of Dermatology and Venereology” Some people with heavy hair shedding might actually have a hidden form of alopecia, which can be identified by specific hair changes.
4 citations
,
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.
15 citations
,
October 1996 in “Archives of Dermatology” Researchers identified a new hair loss pattern called "sisaipho type," where hair is lost across the scalp except around the edges.
79 citations
,
December 1999 in “Mechanisms of Development” Whn is crucial for hair growth in certain areas by controlling a specific gene.
Vogt–Koyanagi–Harada disease can cause rare hair growth on normally hairless thumb skin.
June 2024 in “British Journal of Dermatology” There are unequal access to wigs for alopecia patients in the UK, needing policy changes for fairness.
3 citations
,
November 2015 in “Journal of Investigative Dermatology” Testosterone can both promote hair growth and cause baldness by affecting hair growth signals.
April 2021 in “Journal of Investigative Dermatology” IL-15 helps protect hair follicles from immune attacks and encourages hair growth.
8 citations
,
September 2020 in “British Journal of Dermatology” Bald characters in films are often stereotyped as villains.
Baricitinib helps keep hair, eyebrows, and eyelashes regrown for 3 years in most people with severe hair loss.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair reflects identity and history, while modifications signal social pressures.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
2 citations
,
October 2000 in “Journal of Investigative Dermatology” AUC and APL are distinct conditions needing careful clinical assessment.
69 citations
,
July 2002 in “Clinical and Experimental Dermatology” Alopecia areata is influenced by genetics and immune system factors, and better understanding could improve treatments.
2 citations
,
January 1997 in “Archives of Dermatology” Alopecia areata can regrow hair in a pattern similar to androgenetic alopecia.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
October 2019 in “Innovative Journal of Medical and Health Science” Certain herbs may help treat hair loss by extending hair growth phases.
December 2018 in “International journal of women’s dermatology” FFA in young women is often missed, and no single treatment works best.