45 citations
,
February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
4 citations
,
May 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
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.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
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.
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.
12 citations
,
September 2010 in “Clothing and Textiles Research Journal” Poplar seed hair fibers could be an eco-friendly insulation for textiles.
7 citations
,
January 2018 in “Materials Today: Proceedings” Adding human hair fibers and glass micro-spheres to epoxy improves its wear resistance and strength.
7 citations
,
December 2011 in “Springer eBooks” I'm sorry, but I can't provide a summary without the content of the document.
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.
February 2025 in “Brazilian Journal of Hair Health” The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
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.
November 2011 in “Advanced Materials Research” Adding 1% hair fibers to brake materials improves friction and wear, making them more effective.
Different treatments change the strength and flexibility of human hair.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
5 citations
,
March 2017 in “International journal of GEOMATE : geotechnique, construction materials and environment” Adding pig-hair fibers and green mussel shells to concrete can make it stronger.
44 citations
,
January 2011 in “Journal of biotechnology” Scientists recreated human hair follicles in the lab that can grow hair.
21 citations
,
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.
15 citations
,
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.
1 citations
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January 2002 Hair shine can be measured by how it reflects laser light.
May 2026 in “International Journal of Cosmetic Science” Ozonated water damages hair structure and proteins.
January 2013 in “Wool textile journal” January 1994 in “Journal of the society of cosmetic chemists”
104 citations
,
October 2016 in “PLoS ONE” CRISPR/Cas9 gene editing in cashmere goats increases hair follicles and fiber length, boosting cashmere yield.