139 citations
,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
1 citations
,
August 1988 in “Journal of The American Academy of Dermatology” Hair transplantation between identical twins can successfully treat severe, nonprogressive hair loss due to follicular aplasia.
14 citations
,
January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
82 citations
,
November 1959 in “Annals of the New York Academy of Sciences” 63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”
The treatment successfully integrated hair follicles into a dermal template, showing new hair growth and blood vessel formation.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
1 citations
,
January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
June 2018 in “British Journal of Dermatology” Hair cells lose their nucleus and mitochondria in a specific order as they fill with keratin, which could help develop treatments for hair issues.
17 citations
,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
Curly wool has more orthocortex than straight wool.
25 citations
,
August 1991 in “Journal of Investigative Dermatology” 22 citations
,
January 1990 August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
March 2016 in “RepositóriUM (Universidade do Minho)” Molecular dynamics simulations help understand keratin's properties and predict hair's response to treatments.
research Hair
January 2026 in “AAPS introductions in the pharmaceutical sciences”
1 citations
,
June 2023 in “International journal of biological macromolecules” Human hair proteins can help blood clot when mixed in equal parts.
12 citations
,
January 2013 in “Indian Journal of Dermatology” Monilethrix is a rare genetic hair disorder that's hard to treat.
1 citations
,
June 2016 in “Medicina” Monilethrix is a genetic disorder causing brittle hair, diagnosed using tricoscopy.
2 citations
,
April 1970 in “Archives of Dermatology” Ichthyosis serpentina may be a variant linked to bamboo hair, with a possible genetic component.
November 2025 in “Journal of Investigative Dermatology” Disrupted cell interactions in hair follicles contribute to hair loss in androgenetic alopecia.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
29 citations
,
February 2019 in “Pediatric dermatology” Trichotillomania shows specific signs like black dots and uneven hair lengths but lacks certain features of alopecia areata.
14 citations
,
November 1979 in “Pediatric Research” 1 citations
,
May 1967 in “Pediatric Research”