April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
November 2009 in “Medical & surgical dermatology” The document concludes that Borrelia afzelii causes a skin condition in France, a gene is linked to hair loss in Caucasian women, and various genetic mutations affect skin diseases.
June 2004 in “Journal of Investigative Dermatology” Apoptosis may play a role in feather and hair development, SF-36 is better for mental health in skin patients, a psoriasis gene is found in Caucasians, eosinophils might not be crucial for some skin allergies, and changes in atopic dermatitis could increase skin sensitivity.
September 2001 in “PubMed” The new X-ray technique allows for precise and non-destructive measurement of elements in hair, creating the first database of its kind for a specific ethnic group.
April 2023 in “Journal of Investigative Dermatology” Low-dose spironolactone effectively treats female pattern hair loss with mild side effects.
September 2002 in “대한피부과학회지” Koreans have lower hair density, larger hair diameter, and slower hair growth than Caucasians.
128 citations
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January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
65 citations
,
May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
3 citations
,
January 2012 in “Wageningen Academic Publishers eBooks” Hair health depends on various factors and hair loss can significantly affect a person's well-being; understanding hair biology is key for creating effective hair care treatments.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
11 citations
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October 2020 in “Sensors” Photoacoustic imaging can accurately assess hair follicle density and orientation for hair transplant planning.
8 citations
,
January 2020 in “International Journal of Cosmetic Science” The combination of specific chemicals improves hair density in women.
October 2021 in “Journal of Investigative Dermatology” Edelweiss extract may help prevent hair loss and increase hair density.
July 2009 in “Medical & surgical dermatology” Low-dose acitretin helps nail psoriasis, stem cells may treat scarring alopecia, Chinese men have lower baldness rates, lateral foldplasty is good for ingrown toenails, hair diameter helps diagnose female baldness, childhood trauma linked to alopecia areata, certain hair-weaving leads to scalp conditions in African American women, and new methods for hair research and understanding hair and sweat gland development were introduced.
4 citations
,
August 2018 in “Journal of Cosmetic Dermatology” Actual harvested hair follicles were fewer and differed in type from estimated, with older patients and those with multiple transplants needing more careful planning.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
January 2023 in “SSRN Electronic Journal” The fibroin-based formulation strengthens and repairs chemically damaged hair.
70 citations
,
April 2016 in “Experimental Dermatology” A patient with alopecia areata regrew hair after taking tofacitinib and showed changes in certain blood and skin markers.
January 2025 in “Dermatology and Therapy” UVFT helps diagnose hair and scalp diseases by showing different fluorescence patterns.
13 citations
,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
177 citations
,
June 1991 in “The Journal of Clinical Endocrinology & Metabolism” Caucasian men have more chest hair and higher levels of certain androgen products than Chinese men.
23 citations
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November 2018 in “Journal of the European Academy of Dermatology and Venereology” The study concluded that severity of Frontal fibrosing alopecia is not linked to how long someone has it, can start before menopause, and eyebrow loss may be an early sign.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
3 citations
,
October 2015 in “International Journal of Dermatology” Normal hair density and diameter ratios were established to help diagnose adult hair loss.
November 2022 in “Journal of the Endocrine Society” Taking biotin can lead to incorrect low results in free testosterone tests.
68 citations
,
May 2012 in “Annals of Oncology” Some breast cancer chemotherapy can cause permanent hair loss.
27 citations
,
January 2002 in “Exogenous Dermatology” Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.
9 citations
,
May 2014 in “BMC medical genetics” A woman with a unique syndrome similar to TRPS has a genetic change near the TRPS1 gene, affecting its regulation.
4 citations
,
September 2010 in “Journal of Medical Case Reports” A man developed autoimmune issues after a transplant, improved with treatment, but died from leukemia relapse.
1 citations
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August 2022 in “Rheumatology (Bulgaria)” A woman experienced severe symptoms, including hair loss, after a COVID-19 vaccine, suggesting a possible autoimmune reaction.