2 citations
,
January 1986 in “PubMed” PIXE is an effective method to analyze hair's elemental composition.
April 2016 in “Journal of Investigative Dermatology”
46 citations
,
April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
1 citations
,
November 2014 in “Journal of Biomedical Optics” Reflectance spectroscopy can noninvasively track hair growth stages by measuring skin reflectance and melanin changes.
84 citations
,
February 2013 in “Clinica chimica acta” Hair mineral analysis might help diagnose diseases early, but standard methods are needed.
8 citations
,
September 1975 in “Journal of Animal Science” Moose hair can track past mineral levels, except zinc.
91 citations
,
January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
6 citations
,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
51 citations
,
November 2011 in “British Journal of Dermatology” A gene called HDAC9 might be a new factor in male-pattern baldness.
111 citations
,
April 2000 in “British journal of dermatology/British journal of dermatology, Supplement” Thyroid hormone receptor β1 is found in human hair follicles and helps them survive.
April 2025 in “British Journal of Dermatology” Age, sex, BMI, menopause, and specific genes affect hair density in East Asians.
7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
3 citations
,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
215 citations
,
September 2003 in “Journal of Biological Chemistry” Vitamin D receptor and hairless protein are essential for hair growth.
May 2024 in “Psychoneuroendocrinology” Family dynamics affect preschoolers' stress levels, especially DHEA.
15 citations
,
May 2017 in “Journal of Cellular Biochemistry” The hairless protein is important for skin, hair, and may influence cancer development.
47 citations
,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
January 2022 in “Indian journal of dermatopathology and diagnostic dermatology” Women with diffuse hair loss often have lower iron and vitamin D levels, but their thyroid function is typically normal.
9 citations
,
June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
2 citations
,
April 2020 in “Clinical and experimental obstetrics & gynecology” Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
2 citations
,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
research Hair
3 citations
,
January 2014 in “Elsevier eBooks” Hair can reveal toxic elements and drugs in the body.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
February 2006 in “Cambridge University Press eBooks” A 45-year-old woman experienced excessive hair shedding beyond the normal range.
42 citations
,
February 1985 in “Journal of the American Academy of Dermatology” Excessive hair growth can be assessed by history, exam, and blood tests, and treated with medication like dexamethasone, birth control pills, and spironolactone.
5 citations
,
May 2019 in “Anais Brasileiros de Dermatologia” Finger length ratios might predict risk for skin condition in males.
2 citations
,
January 2009 The procedure reliably measures cortisol in rhesus macaque hair.
22 citations
,
December 1991 in “PubMed”
January 2012 in “TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES AEROSPACE TECHNOLOGY JAPAN” Human hair can be used to study mineral changes from long-term space flight.