5 citations
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January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
5 citations
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August 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
15 citations
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October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
March 2005 in “Journal of the American Academy of Dermatology” Adding amino acids to damaged hair can improve its strength and appearance.
June 2023 in “Skin Research and Technology” The supplement with amino acids, iron, selenium, and marine hydrolyzed collagen improved hair growth more than drug treatment alone, with most people tolerating it well.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
14 citations
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November 2015 in “Annals of the New York Academy of Sciences” Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
4 citations
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December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
January 2023 in “Side effects of drugs annual” Some vitamins, amino acids, and alternative medicines can cause serious side effects, including bone, muscle, and skin issues, and healthcare professionals should be aware of these risks.
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.
9 citations
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September 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
7 citations
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February 2017 in “Open veterinary journal” Tiger cubs fed artificial milk lacking certain amino acids developed eye problems and hair loss.
March 2005 in “Journal of the American Academy of Dermatology” Cosmetic treatments can replenish key amino acids in damaged hair, improving its strength and appearance.
83 citations
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April 1992 in “Journal of Biological Chemistry” Four-amino acid part makes enzyme sensitive to finasteride.
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.
May 2024 in “PloS one” Hair analysis can help identify specific minerals and amino acids linked to various diseases.
38 citations
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May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
June 2015 in “Han'gug eung'yong saengmyeong hwa haghoeji/Journal of the Korean Society for Applied Biological Chemistry” Some synthesized peptides improved cell growth better than thymosin β4, VEGF, and minoxidil.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
4 citations
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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.
3 citations
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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.
18 citations
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October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
14 citations
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April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
17 citations
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September 2000 in “Journal of dermatology” A baby with a rare metabolic disorder developed a rash not cured by zinc alone, likely due to both zinc and amino acid deficiencies.
14 citations
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November 2013 in “Journal of the American Society for Horticultural Science” Glycine slows main root growth but boosts root hair growth in habanero peppers.
January 2018 in “Archives of dermatology and skin care” Mesotherapy for hair loss lacks strong evidence and clear guidelines for its effectiveness and product use.
December 2009 in “생명과학회지” Thymosin β4 and VEGF are important for organ function and may help with blood vessel formation.
139 citations
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” K6hf is a unique protein found only in a specific layer of hair follicles.