June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
April 2016 in “Journal of Investigative Dermatology” Iron deficiency causes hair loss by affecting hair differentiation and cycling.
7 citations
,
October 1985 in “Genetics Research” Beige and leaden pigment genes act within melanocytes, affecting pigment patterns.
17 citations
,
February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
1 citations
,
May 2025 in “Analytical Science Advances” A new method accurately measures iron in small samples with high sensitivity and low cost.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
11 citations
,
October 2023 in “mSphere” PrrH sRNA controls pyochelin production in *Pseudomonas aeruginosa*.
March 2023 in “Journal of Cosmetic Dermatology” Trichoscopy is effective for diagnosing scalp ACC in darker skin tones.
October 2019 in “Journal of Evolution of Medical and Dental Sciences” A 56-year-old man was diagnosed with Cronkhite-Canada Syndrome after showing symptoms like diarrhea, weight loss, and skin changes.
December 2023 in “Modern engineering and innovative technologies” 5 citations
,
July 2014 in “Journal of X-Ray Science and Technology” Hair analysis can help diagnose cell ion channel activity and calcium deficiency.
Screening for iron levels in patients with hair loss may help find a genetic iron overload condition early.
20 citations
,
December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
23 citations
,
December 1977 in “Virchows Archiv B Cell Pathology” February 2026 in “Pediatric Dermatology”
25 citations
,
January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
January 2021 in “Biomedical Research-tokyo” Reticulocyte hemoglobin content is the best indicator of iron deficiency causing hair loss in women.
7 citations
,
July 1975 in “Acta dermato-venereologica” A patient with Rothmund-Thomson syndrome showed skin changes, hair loss, and dental defects but no cataracts or skeletal issues.
6 citations
,
December 2019 in “International Journal of Cosmetic Science” White hair has weaker tryptophan fluorescence than other unpigmented fibers, possibly due to UV exposure or unknown substances.
25 citations
,
January 2013 in “Colloids and surfaces. B, Biointerfaces” Hair dye colors mainly target melanin granules in black hair.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” A 73-year-old woman with Hypopigmented Mycosis Fungoides, a rare skin lymphoma, experienced disease progression despite treatment, emphasizing the need for ongoing monitoring.
2 citations
,
October 1951 in “Journal of gerontology” Patients with hair pigment loss and hair loss may have altered pantothenic acid metabolism.
26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
62 citations
,
December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
100 citations
,
November 1997 in “Human Genetics” A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.
37 citations
,
January 1993 in “Journal of Investigative Dermatology”
46 citations
,
April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.