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January 2009 in “Sen'i Gakkaishi” Using both TGA and DTDG in hair straightening reduces hair damage compared to using TGA alone.
12 citations,
October 1996 in “Dermatologic clinics” Advances in genetics may lead to targeted treatments for hair disorders.
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November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
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April 2016 in “PloS one” The KRTAP11-1 gene promoter is crucial for specific expression in sheep wool cortex.
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January 1997 in “European journal of plastic surgery” Tissue expansion can fix scalp issues from hair implants.
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January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
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April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
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March 2013 in “Journal of the Society of Cosmetic Scientists of Korea” Transglutaminase can repair damaged hair, making it stronger and shinier.
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December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
25 citations,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
6 citations,
June 2022 in “Frontiers in Bioengineering and Biotechnology” The gel with icariin speeds up wound healing, reduces scarring, and helps hair growth by controlling BMP4 signaling. It also reduces inflammation and improves wound quality in mice, adapts to different wound shapes, and gradually releases icariin to aid healing. It also prevents too much collagen and myofibroblast formation during skin healing.
6 citations,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
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June 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
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June 2008 in “Springer eBooks” Hair care products clean, protect, style, color, and change hair structure.
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February 2008 in “Basic and clinical dermatology” Telogen Effluvium is a hair loss condition where treatment involves identifying and managing its triggers.
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June 2012 in “PubMed” Ceramide-rich liposomes can effectively repair and strengthen damaged hair.
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April 2018 in “PubMed” The medulla in Asian scalp hair has a tubular structure that allows ions and large molecules to flow through it.
Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.
October 2023 in “Journal of Cosmetic Dermatology” A synthetic octapeptide may help promote hair growth and counteract hair loss.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
February 2019 in “PubMed” Gray hair affects hair's movement and appearance, making it less bouncy and more wavy.
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December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
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June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.