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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
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July 1975 in “Archives of Dermatology” Rapid weight loss from dieting and hormonal injections can cause significant hair loss in women.
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February 2022 in “Biophysical journal” The model shows that filament flexibility and amino acid differences affect how fast intermediate filament proteins assemble.
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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.
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June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
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December 1978 in “PubMed” Malabsorption can cause skin issues like pigmentation changes and hair loss, which improve with treatment.
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November 2022 in “Acta dermato-venereologica” People with hidradenitis suppurativa often have lower vitamin D levels, weaker hip bones, and altered bone metabolism markers.
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February 2022 in “Frontiers in molecular biosciences” Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.
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March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
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January 2020 in “Frontiers in Physiology” Good feather growth in poultry needs the right balance of proteins, amino acids, minerals, and vitamins.
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July 1948 in “Experimental biology and medicine” Alcohol extraction lowers casein's nutrition, causing slower growth and hair loss in rats.
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January 2022 in “Precision medicine and clinical omics” Beta-sitosterol and stigmasterol might help prevent hair loss by blocking a specific enzyme.
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January 2016 in “Journal of cosmetology & trichology” Taking vitamins, minerals, and amino acids can improve hair strength and quality in people with Monilethrix.
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September 2014 in “SpringerPlus” Human hair loss may have evolved to help increase brain size.
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December 2008 in “Frontiers of Agriculture in China” The Cashmere goat hair keratin gene is crucial for hair structure.
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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.
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July 2011 in “AFRICAN JOURNAL OF BIOTECHNOLOGY” Seven genetic variations in sheep's DSG4 gene are linked and affect wool traits.
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December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
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March 2023 in “PubMed” Rosemary hair lotion significantly promotes hair growth and could be a potential alternative to commercial hair growth products.
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March 2021 in “Current Dermatology Reports” Various treatments help hair growth, but more research needed for safety and effectiveness.
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January 2021 Non-invasive methods can effectively monitor skin inflammation and cancer biomarkers.