13 citations
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December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
2 citations
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January 1981 13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
8 citations
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January 2017 in “Environmental monitoring and assessment” Hair from different ethnic groups affects soil nutrient release differently.
16 citations
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January 2010 in “Springer eBooks” 50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
19 citations
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October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
4 citations
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
September 2013 in “Hair transplant forum international” The document's conclusion cannot be determined from the provided text.
8 citations
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May 2008 in “Applied surface science” Mummy hair from the Taklamakan desert has calcium and phosphorus inside.
18 citations
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October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
March 2026 in “Scholarly Horizons University of Minnesota Morris Undergraduate Journal” Hair in art is often seen as repulsive when detached from the body.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
34 citations
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December 1984 in “Journal of Cutaneous Pathology” Monilethrix hair issues are due to problems in the hair's internodes.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
24 citations
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January 1969 in “Archives of Dermatological Research” Hair malformations may occur due to timing issues in hair development.
1 citations
,
March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
9 citations
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January 1989 in “Journal of Small Animal Practice” Abyssinian cats can have a hair abnormality that makes their coat look rough and dull.
27 citations
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September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
8 citations
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January 2020 in “PeerJ” Alopecia Areata causes significant structural and compositional changes in hair.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
1 citations
,
January 2018 in “Open Scholarship Institutional Repository (Washington University in St. Louis)” Medieval authors used hair in literature to challenge identity and societal norms.
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 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.