1 citations
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January 2003 Merkel cells likely attract sensory nerve fibers.
45 citations
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February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
38 citations
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May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
14 citations
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July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
March 2024 in “International journal of molecular sciences” The research identified key proteins that affect wool fiber thickness in Angora rabbits.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
13 citations
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March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.
98 citations
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June 2008 in “Human mutation” A genetic change in the EDAR gene causes the unique hair traits found in East Asians.
6 citations
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March 1998 in “Textile Research Journal” Chemical treatments can change the scale heights of wool and cashmere fibers, affecting their identification.
4 citations
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May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
April 2026 in “Microscopy Research and Technique” The high-cost product with coconut oil and glycerol effectively restores severely damaged hair.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
Hair feels different when touched and rubs together in various ways.
December 2023 in “Materials Today Sustainability” Scientists made glow-in-the-dark dots from human hair that can detect iron, prevent counterfeiting, and reveal fingerprints.
41 citations
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January 2018 in “Advances in experimental medicine and biology”
23 citations
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August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
15 citations
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June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
7 citations
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September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
3 citations
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June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
May 2026 in “International Journal of Cosmetic Science” Ozonated water damages hair structure and proteins.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
January 2024 in “Journal of Material Cycles and Waste Management” Adding human hair to cement can make it tougher and better insulated but also more porous.
August 2016 in “International journal of scientific research in science, engineering and technology” Adding human hair fibers to soft soil makes it stronger and prevents cracking.
40 citations
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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
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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.
21 citations
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January 1995 in “Journal of the American Institute for Conservation” A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
18 citations
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November 2016 in “Transgenic research” Overexpressing Tβ4 in cashmere goats improves hair fiber traits and increases cashmere yield.
7 citations
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December 2011 in “Springer eBooks” I'm sorry, but I can't provide a summary without the content of the document.
5 citations
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January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.