Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
17 citations
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May 2018 in “BMC genomics” Researchers found genes and microRNAs that control curly fleece in Chinese Tan sheep.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology” 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.
NaOH treatment improves hair strength and suitability for textiles.
4 citations
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May 2011 in “Journal of The American Academy of Dermatology” Certain hairstyles increase the risk of scalp and hair disorders in African American girls.
March 2009 in “CRC Press eBooks” Hair conditioner makes wet hair easier to comb by reducing friction.
December 2025 in “The American Journal of Interdisciplinary Innovations and Research” The InvisiCaps Method ensures natural-looking hair extensions by carefully matching donor hair characteristics.
January 2019 in “日本皮膚科学会雑誌”
16 citations
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
8 citations
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October 2024 in “Developmental Cell”
September 2014 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” OCT can effectively examine and reveal details about human hair and scalp conditions.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
2 citations
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January 2011 Relaxers straighten African hair by breaking down its helical structure using strong bases.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
88 citations
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April 2011 in “Archives of Dermatology” Type 2 diabetes, bacterial scalp infections, and tight hairstyles like braids and weaves are linked to a higher risk of a scarring hair loss condition in African American women.
December 2007 in “FJ. Fragrance journal” 10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
January 2011 in “Linchuang pifuke zazhi” March 2024 in “Clinical Case Reports” Early detection of tinea capitis is possible by spotting specific hair patterns like comma or corkscrew hairs.
December 2005 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Hair tourniquet syndrome can cause serious harm and may indicate child abuse.
37 citations
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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.
June 1999 in “Connective tissue” 17 citations
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January 2023 in “International Journal of Cosmetic Science” Hydrophobic interactions affect virgin hair, while electrostatic interactions are key for bleached hair.
3 citations
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July 2021 in “Cutis” New military hair rules for women promote inclusivity and prevent hair damage.
2 citations
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
8 citations
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July 2023 in “Cell stem cell”
21 citations
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October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
6 citations
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June 1981 in “PubMed” Whisker hair in young people might predict severe future hair loss.