16 citations,
June 2005 in “Clinical and Experimental Dermatology” Twisted hair is rare in severe anorexia nervosa, found in only 2 out of 30 patients.
15 citations,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
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.
6 citations,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
5 citations,
September 2015 in “BMC Medical Genetics” The EDAR gene mutation leads to thinner and more deformed hair shafts.
3 citations,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
1 citations,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
March 2003 in “BJOG: An International Journal of Obstetrics and Gynaecology” Mothers and newborns with dental fillings have higher mercury in their hair, but adding fillings during pregnancy doesn't raise mercury levels further.
126 citations,
January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
96 citations,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
66 citations,
June 2006 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss, with best results after four years.
42 citations,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
39 citations,
July 2013 in “Journal of dermatological science” Hair microRNAs could be effective biomarkers for diagnosing scleroderma.
37 citations,
March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
34 citations,
August 2003 in “Clinical and Experimental Dermatology” Pregnant women's hair gets thicker.
28 citations,
November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
25 citations,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
24 citations,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
22 citations,
May 2002 in “Skin Research and Technology” CE-PTG detects early hair follicle issues in balding areas, helping measure male hair loss.
21 citations,
November 2017 in “Archives of Dermatological Research” Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
20 citations,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
20 citations,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
16 citations,
January 1995 in “Skin Pharmacology and Physiology” SEPA™ enhances the effectiveness of minoxidil in stimulating hair growth, working faster and better than Rogaine® TS, with no significant side effects.
15 citations,
July 2017 in “PubMed” Injecting a mix of human skin and hair cells into mice can grow new hair.
15 citations,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
14 citations,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.