12 citations
,
February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
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.
37 citations
,
January 1997 in “Clinics in Dermatology” Hair problems are common and distressing for women, but increasing knowledge of treatments offers hope.
November 2005 in “Nature Reviews Molecular Cell Biology” The protein hairless is important for hair regrowth because it stops the protein wise from blocking the hair cycle.
February 1945 in “New England Journal of Medicine” 16 citations
,
June 2015 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzyme DHHC13 is essential for healthy hair and skin, and its deficiency leads to hair loss and skin problems.
November 2022 in “Brazilian journal of veterinary pathology” The Yorkshire terrier has a genetic hair loss condition not improved by treatment.
August 2022 in “Our Dermatology Online” The conclusion is that examining the scalp closely and checking for iron levels and thyroid issues is key to understanding chronic hair loss in women.
17 citations
,
May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
90 citations
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July 1993 in “Journal of Investigative Dermatology”
2 citations
,
June 2018 in “Sudan journal of medical sciences” Low vitamin D levels can cause hair loss and supplements may improve it.
5 citations
,
January 2020
Hair aging leads to color loss and reduced density, and dermatologists are key in treating it to improve quality of life.
September 2024 in “Cosmoderma” The young man has complete hair loss and skin bumps, with no other health issues or family history.
40 citations
,
February 1990 in “Journal of The American Academy of Dermatology” A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
13 citations
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March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” Alopecic hair has more irregular structures and chemical changes than normal hair, reducing its strength.
January 1991 in “Linchuang pifuke zazhi” 37 citations
,
November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Black hair is fragile due to hair care practices, not structural differences.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
December 1988 in “Anatomia, Histologia, Embryologia” Frequent hair dye use caused significant hair and skin damage and affected the dogs' behavior.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” Nutrient-rich shampoos can help revitalize hair and potentially reverse thinning.
October 2017 in “Chinese Journal of Dermatology”
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
1 citations
,
June 2019 in “Oral diseases” 24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
4 citations
,
March 2008 in “Journal of the American Academy of Dermatology” 1 citations
,
January 2002 in “Springer eBooks”