17 citations,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
16 citations,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
12 citations,
July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
11 citations,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
11 citations,
September 2012 in “Chinese science bulletin/Chinese Science Bulletin” Hair mineral content can help diagnose certain common illnesses.
9 citations,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
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.
2 citations,
June 2022 in “Scientific reports” Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
December 2021 in “Research Square (Research Square)” Hair follicle sampling is a feasible method to measure FMRP and FMR1 mRNA levels in children.
Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.
36 citations,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
7 citations,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
11 citations,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
71 citations,
May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
34 citations,
June 1990 in “British Journal of Dermatology” Etretinate treatment changed hair growth patterns in many patients.
47 citations,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
10 citations,
January 1996 in “Journal of Dermatological Treatment” Herbal preparation effectively promotes hair growth and reduces hair loss.
3 citations,
May 2014 in “InTech eBooks” Copper deficiency may cause hair loss, and treating it could involve nutrition and hormones.
214 citations,
March 1993 in “Archives of Dermatology” Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.
90 citations,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
47 citations,
July 2005 in “British Journal of Dermatology” Topical vitamin D3 does not prevent hair loss from chemotherapy.
30 citations,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
28 citations,
March 2007 in “Journal of The European Academy of Dermatology and Venereology” At least 87% of Indian men experience hair loss, with type II being most common and severity increasing with age.
24 citations,
May 2013 in “Drug Design Development and Therapy” Multimodal minoxidil microemulsion is more effective in treating hair loss than minoxidil alone.
11 citations,
September 2010 in “American Journal of Medical Genetics - Part A” A Turkish family with sparse hair and eyebrow loss has a mutation in the U2HR gene linked to Marie Unna hereditary hypotrichosis.