January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
The combination of millet seed extract, L-cystine, and calcium pantothenate significantly improved hair growth in women with female pattern hair loss.
71 citations
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August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
27 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
12 citations
,
December 2017 in “Journal of biomaterials science. Polymer ed.” Human hair protein extracts can protect skin cells from oxidative stress.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
Plant roots respond to fungus smells by possibly using certain proteins and a plant hormone to change root growth, but more research is needed.
98 citations
,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
9 citations
,
October 2008 in “Mutation research” N-acetyl-L-cysteine (NAC) can prevent DNA damage and protect cells from harm.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
5 citations
,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
1 citations
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January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
July 2024 in “Skin Appendage Disorders” The supplement significantly improves hair density and appearance in people with hair loss.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
5 citations
,
January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
75 citations
,
March 2018 in “Molecules/Molecules online/Molecules annual” L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
48 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
25 citations
,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
24 citations
,
October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
16 citations
,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
14 citations
,
November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
5 citations
,
January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
3 citations
,
January 2024 in “Cell Transplantation” Combining platelet concentrates with stem cells improves regenerative therapies.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” Lower pH straighteners change hair more but weaken it.
2 citations
,
January 2017 in “Folia biologica” The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.