65 citations
,
April 1999 in “Journal of Parasitology” The topical treatment WR 279,396 effectively healed cutaneous leishmaniasis in mice without relapse.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
88 citations
,
July 1958 in “Nature” Citrulline was found in hair follicle proteins for the first time.
76 citations
,
December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
69 citations
,
January 2021 in “Journal of Biological Chemistry” Plant-derived amino acids can help develop new antimicrobial drugs.
41 citations
,
March 2017 in “PLoS neglected tropical diseases” Isotretinoin shows promise as a treatment for Chagas disease by effectively inhibiting key transporters in the parasite.
39 citations
,
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.
29 citations
,
July 1996 in “Acta Paediatrica” Biotin should be added to Japanese amino acid formula to prevent deficiency.
24 citations
,
April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
18 citations
,
October 2022 in “JCI Insight” Abnormal amino acid metabolism may worsen rosacea symptoms.
18 citations
,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
17 citations
,
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
,
January 1981 in “Neonatology” Amino acid levels in milk increase with protein and align with key growth stages in Macropus eugenii.
13 citations
,
October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
12 citations
,
July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
5 citations
,
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
,
October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
5 citations
,
May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
4 citations
,
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.
4 citations
,
December 1989 in “The Journal of Dermatology” Human hair proteins have similar cysteine and glycine levels to skin proteins.
3 citations
,
June 2012 in “Korean Journal of Human Ecology” The supplement reduced hair loss and increased hair thickness safely.
2 citations
,
April 2009 in “Bulletin of Experimental Biology and Medicine” Flamena, a liposomal mix, helps skin heal better after a chemical burn.
2 citations
,
January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
1 citations
,
July 2022 in “Clinical and Experimental Dermatology” Amino acid supplements may not be necessary for all women with chronic hair loss.
1 citations
,
January 1998 in “Cosmetics and toiletries” Both amodimethicone and dimethicone copolyol amine are effective hair conditioners.
1 citations
,
January 1996 Cysteine and arginine are essential for hair growth and thickness.
May 2026 in “Fibers and Polymers”
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.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.
Amino acid storage proteins are essential for maintaining stem cells in female fruit flies.