76 citations
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December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
25 citations
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September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
67 citations
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February 2020 in “Journal of Ginseng Research” Korean Red Ginseng has beneficial components that help with stress, immunity, fatigue, memory, blood flow, and disease protection.
10 citations
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August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
83 citations
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April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
4 citations
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December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
5 citations
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January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
2 citations
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January 2022 in “Journal of Oleo Science” Genotype CG17 of garden cress seeds has the most β-carotenoids, tocopherols, and vitamins.
2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
66 citations
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February 2010 in “CrystEngComm” Made 8 minoxidil samples; 1 cocrystal, 7 salts formed.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.
2 citations
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October 2023 in “Animals” Lacto-fermentation changes amino acid profiles in bovine colostrum, but results are inconsistent.
November 2022 in “Arab Gulf Journal of Scientific Research” Taurine is important for many body functions and its deficiency can cause health problems.
June 2015 in “Han'gug eung'yong saengmyeong hwa haghoeji/Journal of the Korean Society for Applied Biological Chemistry” Some synthesized peptides improved cell growth better than thymosin β4, VEGF, and minoxidil.
10 citations
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October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
2 citations
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July 1998 in “Dermatologic Clinics” European dermatologic treatments focus on lifestyle and psychosocial factors, use diverse methods like baths and climate therapy, and emphasize the importance of diet and supplements for skin health.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
79 citations
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January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
3 citations
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December 2008 in “Frontiers of Agriculture in China” The Cashmere goat hair keratin gene is crucial for hair structure.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
August 2022 in “Nutrients” Nutritional supplements may help improve hair growth in female pattern hair loss.
21 citations
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August 2017 in “Journal of veterinary internal medicine” Combining amino acid and stem cell therapy may help manage hepatocutaneous syndrome in dogs.
12 citations
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September 2013 in “BMC Biophysics” Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.
2 citations
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January 2022 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Chemical hair straighteners can cause scalp and hair damage, but long-term effects are unclear.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
February 2024 in “BMC genomics” The TRPV3 gene variant may cause the long-haired suri alpaca coat.