191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
26 citations
,
April 2010 in “The American journal of dermatopathology/American journal of dermatopathology” Researchers created a standard system to grade hair damage using microscopic images.
24 citations
,
December 1990 in “Pediatric Dermatology” Tight hairstyles like ponytails may cause hair casts by affecting scalp circulation and causing inflammation.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
13 citations
,
December 1983 in “Canadian journal of zoology” Heterotypic cell contacts likely help hair matrix cells differentiate during mouse hair follicle development.
9 citations
,
November 2013 in “Dermatologic Surgery” Hair transplant complications were likely due to deep graft placement and rough handling.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
January 1994 in “Medical Entomology and Zoology” Electron microscopy helps understand skin structure and diseases.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
24 citations
,
December 1957 in “Experimental Cell Research” The glassy layer of hair follicles has different fibril sizes and arrangements in guinea pigs and young mice.
1 citations
,
January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
5 citations
,
March 2009 in “Pediatric Dermatology” The study found that pili bifurcati causes hair to intermittently split into two branches, each with its own outer layer.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
30 citations
,
September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
29 citations
,
April 2011 in “Journal of Microscopy” The modified osmium method improves hair cortex staining for better visualization.
17 citations
,
February 2022 in “Microscopy Research and Technique” Scanning electron microscopy and elemental analysis can help identify animal species by their hair patterns and elements.
14 citations
,
July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
10 citations
,
January 2020 in “Royal Society Open Science” A new automated method accurately measures hair damage using microscopic images.
10 citations
,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
9 citations
,
January 2014 in “Journal of analytical & bioanalytical techniques” The study did not conclude whether hair can reliably indicate kidney stones, cholelithiasis, hypertension, or diabetes.
8 citations
,
November 2019 in “International Journal of Morphology” Henna dye improves hair cuticle and thickness but effects vary by hair type and health.
8 citations
,
January 2016 in “Skin research and technology” The 12-point scale is better for evaluating small changes in hair condition after using hair care products.
5 citations
,
July 2023 in “Microorganisms” The study found specific skin and cell changes in patients with monkeypox, helping diagnose and understand the disease.