January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
November 2016 in “The Molecular Biology Society of Japan” February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
Lysine carboxymethyl cysteinate (LCC) protects skin from UVB damage by activating autophagy.
49 citations
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
14 citations
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October 2011 L-Lysine may help with various health conditions, but results are inconsistent for herpes treatment and its potential in other therapies is still being explored.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
October 2021 in “Authorea (Authorea)” New hair perming method using tyrosine is gentler and can be done with a blow-dryer.
9 citations
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January 1959 in “The journal of nutrition/The Journal of nutrition” Higher potassium intake may protect against hair loss and liver fat in lysine-deficient rats.
10 citations
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October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
1 citations
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April 2006 in “International Journal of Oncology” Lysocellin helps stop cell damage from etoposide and may prevent hair loss.
September 2025 in “Journal of Surfactants and Detergents” Shampoos with sodium lauroyl methylaminopropionate improve hair lubrication and reduce irritation.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
1 citations
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June 2019 in “International Journal of Applied Pharmaceutics” Nanostructured lipid carriers can effectively repair hair split-ends for over 3 days.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
January 2019 in “Journal of cosmetology & trichology” L-Cystine and L-Cystine with Kera-Diet® safely improved hair and nail quality in healthy women.
19 citations
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March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
5 citations
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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.
70 citations
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April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
2 citations
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March 2019 in “Lasers in surgery and medicine” Higher light doses cause more damage to hair follicles, predicting better hair removal results.
January 2023 in “Journal of the American Academy of Dermatology”
October 2007 in “Journal of Investigative Dermatology” The meeting highlighted the genetic basis of female pattern hair loss and various skin health insights.
75 citations
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September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.