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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
August 2018 in “Journal of Investigative Dermatology” Polyunsaturated fatty acids, like arachidonic acid and eicosapentaenoic acid, can promote hair growth and may help treat hair loss.
Defective protein folding due to a mutation is key in ANE syndrome.
32 citations
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December 1965 in “The Lancet” Argininosuccinic aciduria can cause hair loss.
38 citations
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April 2020 in “IntechOpen eBooks” Phenylalanine may help with depression but can cause issues if not properly processed.
December 2023 in “Sains Malaysiana” The enzyme Rand protease works well for leather dehairing and its stability is important, with Leu75 playing a key role.
July 2022 in “Media Dermato Venereologica Indonesiana” The combination of PRP and triamcinolone injections improved hair growth in a man with alopecia areata.
Ritlecitinib can reduce inflammation and help hair regrow in Alopecia Areata.
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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.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Ritlecitinib significantly improves scalp hair regrowth in alopecia areata patients over time.
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July 1997 in “Archives of Gerontology and Geriatrics” 10 citations
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May 1974 in “American journal of diseases of children” The girl had a rare disorder causing mental and physical symptoms, with weak hair and unclear neurological issues.
October 2021 in “Authorea (Authorea)” New hair perming method using tyrosine is gentler and can be done with a blow-dryer.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
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May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.
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May 2025 in “Journal of the European Academy of Dermatology and Venereology” Ritlecitinib and baricitinib are effective for alopecia areata, but more research is needed to determine which is better.
February 2024 in “Research Square (Research Square)” Proteins from Tianshan red deer abomasum have strong anti-inflammatory, anti-tumor, and antioxidant effects.
7 citations
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June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
July 2022 in “Journal of Investigative Dermatology” Arg1+ macrophages may play a role in Alopecia Areata, offering new treatment targets.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.
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December 1956 in “Science” 1 citations
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December 1956 in “Science”
August 2023 in “Dermatology reports” A baby with maple syrup urine disease improved from skin problems by adjusting his diet to correct amino acid levels.
February 2025 in “Animals” Amino acid-complexed trace minerals improve hair quality and activity in senior dogs.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
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April 2005 in “The Journal of Dermatology” Biotin supplements improved skin and hair in a biotin-deficient infant on amino acid formula.
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March 2025 in “The Journal of Dermatology” Ritlecitinib is effective and safe for hair regrowth in Asian patients with alopecia areata.