9 citations
,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
3 citations
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August 2008 in “PubMed” Repeated digital perming with sodium thioglycolate lotion significantly damages hair protein and structure.
May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
40 citations
,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
40 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
9 citations
,
August 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.
10 citations
,
November 2018 in “Genetics in medicine” Lack of cystatin M/E causes thin hair and dry skin.
38 citations
,
October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
12 citations
,
February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
6 citations
,
October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
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.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
December 2019 in “University of Malaya Students Repository” Mimosine from Leucaena leucocephala can enhance biodiesel stability.
5 citations
,
June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
20 citations
,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
121 citations
,
March 1989 in “Journal of Investigative Dermatology” Minoxidil can help grow hair in mice by making cells grow and improving hair quality. More research needed.
100 citations
,
March 2006 in “Journal of biological chemistry/The Journal of biological chemistry” Cystatin M/E strongly inhibits cathepsin V and cathepsin L, important for skin formation.
81 citations
,
February 1997 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by activating PGHS-1.
24 citations
,
November 2008 in “Arquivos Brasileiros de Endocrinologia & Metabologia” Four patients with a type of rickets and hair loss had different mutations in their vitamin D receptor gene, causing it to not work properly.
22 citations
,
December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
19 citations
,
July 2015 in “Journal of inherited metabolic disease” Methionine restriction works better than betaine for treating CBS deficiency symptoms in mice.
14 citations
,
November 2020 in “International Journal of Biological Macromolecules” Mushroom-based scaffolds help heal skin wounds and regrow hair.
11 citations
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February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
9 citations
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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.
5 citations
,
July 2014 in “Acta Crystallographica Section D-biological Crystallography” Mutations in the enzyme don't significantly change how it binds to its specific substances.
4 citations
,
January 2017 in “Biological & pharmaceutical bulletin” Inhibiting ALOX12 can help hair cuticle maturation by increasing S100A3 citrullination.
3 citations
,
November 2014 in “Protein Expression and Purification” Scientists successfully purified a protein called Wnt3a, which is involved in processes like hair growth, but the overall yield was low, suggesting more work is needed to improve this.