3 citations
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April 2010 in “The FASEB Journal” Estrogen and MLL enzymes work together to regulate genes important for hair growth and leukemia.
79 citations
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March 2005 in “Journal of Medical Genetics” A mutation in the hHb3 gene is linked to the hair disorder monilethrix.
7 citations
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July 1975 in “Acta dermato-venereologica” A patient with Rothmund-Thomson syndrome showed skin changes, hair loss, and dental defects but no cataracts or skeletal issues.
4 citations
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October 2024 in “Heliyon” CYP154C7 enzyme can effectively modify steroids and is promising for commercial use.
January 2025 in “International Journal of Molecular Sciences” Nanoparticles have diverse applications, including promising cancer treatments and hair growth solutions.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
100 citations
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March 2006 in “Journal of biological chemistry/The Journal of biological chemistry” Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.
75 citations
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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.
January 2007 in “Leather Science and Engineering”
9 citations
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June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
March 2021 in “Juniper Online Journal Material Science” Energy healing treatment improved L-cysteine's stability, solubility, bioavailability, and shelf-life.
10 citations
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November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
22 citations
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November 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Cystatin M/E helps in the final stages of hair and nail formation by controlling certain enzymes.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
7 citations
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January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
2 citations
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
1 citations
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July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
9 citations
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January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
October 2021 in “Authorea (Authorea)” New hair perming method using tyrosine is gentler and can be done with a blow-dryer.
6 citations
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July 2021 in “Frontiers in Genetics” A gene variant causes a skin and hair disorder by disrupting protein balance.
9 citations
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April 1970 in “Biochemical pharmacology” Stilbamidine and hydroxystilbamidine inhibit enzyme release from lysosomes and have effects similar to cortisol and chloroquine.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
22 citations
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November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.