62 citations,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
48 citations,
December 2004 in “Differentiation” Tooth papilla cells can help regenerate hair follicles and grow hair.
40 citations,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
3 citations,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
3 citations,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
1 citations,
May 2022 in “International journal of trichology” Most patients were happy with the hair fiber filler and had no serious side effects.
Pashmina goats produce long hair-fiber due to specific gene expressions related to hair growth.
September 2019 in “Mağallaẗ al-ʿulūm al-ṭabīʿiyyaẗ wa-al-ḥayātiyyaẗ wa-al-taṭbīqiyyaẗ” Camel hair from Afif can be improved for textiles by adding chemicals or blending with other fibers.
January 2006 in “东华大学学报:英文版” Microwave plasma treatment improves yak hair dyeing.
January 2023 in “Springer eBooks” 98 citations,
June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
40 citations,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
24 citations,
June 2020 in “Industrial Crops and Products” Activated carbon fibers from Metaplexis japonica seed hair are highly effective for removing the dye methylene blue from water.
22 citations,
August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
19 citations,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
18 citations,
November 2016 in “Transgenic research” Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
17 citations,
June 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” The G60S Connexin43 mutation causes hair growth issues and poor hair quality in mice, similar to human ODDD patients.
5 citations,
December 2011 in “Springer eBooks” 3 citations,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
Different treatments change the strength and flexibility of human hair.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
13 citations,
January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
August 1989 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” The research provided a detailed view of the non-keratinous parts of human hair fibers.
1 citations,
July 2021 in “Forensic science international” Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
10 citations,
May 2012 in “PloS one” Low ERCC3 gene activity is linked to non-pigmented hair growth.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.