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January 1996 Cysteine and arginine are essential for hair growth and thickness.
223 citations
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January 2000 in “BioFactors” Food-derived peptides may help prevent diseases like high blood pressure and high cholesterol, and can support the immune system.
April 2016 in “Journal of Investigative Dermatology” A peptide known for reducing wrinkles also effectively inhibits an enzyme linked to skin inflammation and acne.
110 citations
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January 1995 in “European Journal of Neuroscience” Glycine is a key transmitter in rat spinal cord synapses, often alongside GABA.
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September 2021 in “EMBO Molecular Medicine” A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
15 citations
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November 2024 in “Pharmaceutics” Peptide drugs now target hard-to-reach proteins more effectively and specifically.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
August 2025 in “International Journal of Molecular Sciences” AVT is highly conserved and may have antimicrobial properties.
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August 1991 in “American Journal of Medical Genetics” A special diet can fix hair problems in argininosuccinase deficiency.
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July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
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July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
Arginine deficiency hinders hair growth in androgenetic alopecia, but restoring it can promote hair regeneration.
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May 2019 in “Journal of Cosmetic Dermatology” Pro-Ile could be used in cosmetics to improve skin, hair growth, and healing.
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October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
August 2025 in “Bioactive Materials” Ac-GFFY-IGF peptide is a promising, safe, and effective treatment for hair loss, better than current options.
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November 1976 in “Journal of Investigative Dermatology”
January 2017 in “Brazilian Journal of Pharmaceutical Sciences” Arteannuin might work against cancer and Alzheimer's by targeting neprilysin.
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July 2011 in “International journal of pharmaceutics” Ion-paired risedronate significantly increases skin penetration without irritation compared to risedronate alone.
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December 1965 in “The Lancet” Argininosuccinic aciduria can cause hair loss.
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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.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
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June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
Self-assembling peptide hydrogels effectively deliver drugs locally, enhancing treatment and reducing side effects.
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October 2010 in “Progress in lipid research” LPA3 is crucial for embryo implantation and links LPA to prostaglandin signaling.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
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November 2018 in “Medicinal Chemistry” The compound GD-23 may reduce anxiety like diazepam by targeting the TSPO receptor.
August 2021 in “Journal of Investigative Dermatology” Adjusting polyamine levels could help treat skin disorders like psoriasis and skin cancer.
February 2024 in “Frontiers in plant science” Peps help Arabidopsis plants grow more root hairs by affecting specific genes and calcium signaling.
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August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.