4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
3 citations
,
April 2025 in “International Journal of Cosmetic Science” Healthier hair and scalp improve mental wellbeing.
6 citations
,
January 2020 in “Open Journal of Psychiatry” The Greek DCQ is a reliable and valid tool for assessing dysmorphic concern.
September 2023 in “Journal of the American Academy of Dermatology” Dermatologists can accurately detect smaller differences in hair density than previously thought.
February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.
July 2024 in “Occupational Medicine” Higher cortisol levels are linked to poor coping, while higher DHEA levels are linked to job confidence.
June 2024 in “British Journal of Dermatology” DLQI is a reasonable quality-of-life measure for alopecia patients, but more research is needed.
1 citations
,
March 2020 in “Hair transplant forum international” The HairMeasure device is a cheap way to measure Hair Mass Index and find scalp areas for hair exams.
13 citations
,
April 2021 in “Value in Health” There is a significant need for better-validated quality of life tools in dermatology.
2 citations
,
February 2023 in “International journal of molecular sciences” Body hairs can be used in forensic science and toxicology like scalp hair.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
5 citations
,
March 2011 in “Proceedings : 格差センシティブな人間発達科学の創成=Science of human development for restructuring the "gap widening society"” A new imaging technique accurately measures hair follicle density and angles for better hair transplants.
16 citations
,
February 2017 in “Dermatology and Therapy” The new visual scale is a quick and effective way to measure hair loss in women.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
1 citations
,
May 2019 in “Journal of The European Academy of Dermatology and Venereology” New method, hair distribution width (HDW), improves accuracy in diagnosing androgenetic alopecia (AGA).
4 citations
,
April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
January 2015 in “Springer eBooks” Understanding hair structure and growth is key for diagnosing hair diseases accurately.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.
January 2023 in “Research Square (Research Square)” Hair cortisol may be a good indicator of recent mood in people with bipolar disorder.
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.
8 citations
,
February 2018 in “European journal of oncology nursing” The Hair Check tool can measure hair loss, but patients' own reports are more reliable for assessing hair loss during chemotherapy.
December 2021 in “Skin appendage disorders” A reliable severity score for female pattern hair loss was developed and validated.
157 citations
,
June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
December 2025 in “International Journal of Cosmetic Science” A new tool helps better assess and treat hair loss in Chinese men.
1 citations
,
June 2020 in “British Journal of Dermatology” The new measure helps understand the personal and emotional impact of hair loss in alopecia areata patients.
13 citations
,
January 2012 in “Dermatologic surgery” The trichometer is a quick and reliable tool for measuring hair quantity.
288 citations
,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
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.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
2 citations
,
January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.