This study found that a bio-based repair solution containing hydrolysed wool keratin, serine, and transglutaminase improved the physical and chemical properties of damaged hair, increasing its strength, flexibility, and thermal stability while offering long-lasting protection against chemical damage.
125 citations
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February 1971 in “Biochemistry” Specific cross-linkages help make hair proteins stable and strong.
59 citations
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July 1972 in “Biochemistry” This study investigated the formation of a specific chemical crosslink in hair proteins and explored the role of transamidase enzymes in hair follicles.
69 citations
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January 2009 in “Advances in Materials Science and Engineering” This study demonstrated that keratin can be effectively extracted from wool using alkaline solutions and that the extracted keratin maintains reactivity similar to that from other low-value sources like cattle hair.
95 citations
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February 2019 in “The New England Journal of Medicine” This article discusses the potential genetic basis of central centrifugal cicatricial alopecia in women of African ancestry but does not provide new research results.