November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.
5 citations
,
July 2020 in “JAMA Dermatology” Minoxidil solution applied twice daily improved hair growth in patients with Woolly Hair/Hypotrichosis due to LIPH gene issues, with mild side effects.
45 citations
,
July 2009 in “Journal of human genetics” A gene variation is linked to hair thickness in Asians.
21 citations
,
July 2010 in “International Journal of Cosmetic Science” Older people's hair becomes less shiny because it gets more uneven and curved.
16 citations
,
May 2013 in “Australasian Journal of Dermatology” Hair loss in Cronkhite-Canada syndrome is reversible by treating the gut issues and doesn't need steroid treatment for the hair itself.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
2 citations
,
June 2017 in “ScienceRise” A mask-cream with herbal extracts was successfully developed for treating hair loss.
20 citations
,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
January 2022 in “Kampo Medicine” Ninjin'yoeito, a Japanese medicine, helped stop hair loss and improved mood in two post-COVID-19 patients.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
4 citations
,
April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
28 citations
,
May 1998 in “Journal of the American Academy of Dermatology” Scalp inflammation can cause multiple hairs to grow from one follicle.
8 citations
,
January 2018 in “European journal of dermatology/EJD. European journal of dermatology” The girl's regrown brown hair had less of certain pigments than her original black hair.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
January 2024 in “Journal of Cosmetic Dermatology” Men's and women's pattern hair loss progress differently, with men showing more hair thinning and women having more widespread hair loss.
September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
3 citations
,
December 2021 in “Skin research and technology” Higher hair luminosity and shine mean higher perceived transparency.
78 citations
,
May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
48 citations
,
November 2002 in “Journal of biological chemistry/The Journal of biological chemistry” Genetic variations in hair keratin proteins exist but don't significantly affect hair structure.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
12 citations
,
July 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Different hair fiber development might explain why hair loss severity varies in patients with a specific genetic mutation, and treatments that thicken hair could help.
11 citations
,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
11 citations
,
April 2012 in “Journal of Investigative Dermatology” A specific mutation in PA-PLA1α causes abnormal hair growth.
2 citations
,
September 2016 in “Journal of Dermatological Science” Reduced TRPS1 leads to increased STAT3 and SOX9 in hair follicles, affecting hair growth.
April 2023 in “JMIR Research Protocols” The study aims to create a model to predict health attributes using diverse health data from Japanese adults.
January 2019 in “Journal of Cosmetics, Dermatological Sciences and Applications” The combination therapy is safe and effective for treating Female Pattern Hair Loss in Asian women.
55 citations
,
February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
December 2023 in “Dermatology and therapy” Japanese patients and physicians often disagree on the severity of Alopecia Areata and treatment satisfaction, needing better communication and treatments.