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November 2014 in “Proteins Structure Function and Bioinformatics” Cysteines in wool fibers are accessible and form important disulfide bonds.
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February 2003 in “Biochimica et Biophysica Acta (BBA) - General Subjects” Lead can help reveal and organize lipids in human hair.
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March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
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May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
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July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
31 citations
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December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
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September 2018 in “ACS applied bio materials” Calcium fatty acid deposits found in human hair can change its appearance and feel.
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
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January 2002 in “Biological chemistry” Different conditions affect how hair proteins assemble, and certain mutations can change their structure.
23 citations
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April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
September 2022 in “The American journal of dermatopathology/American journal of dermatopathology” A patient with a thick scalp and hair loss was correctly diagnosed with alopecia areata and a thick scalp fat layer, not lipedematous alopecia, and regrew hair after treatment.
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.
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December 2020 in “mSphere” A fungal enzyme was used to make compounds more soluble, aiding drug discovery and crop protection.
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January 2024 in “Advances in Dermatology and Allergology” S100A7 and IL-17 may contribute to inflammation in lichen planopilaris.
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March 2007 in “Journal of Biological Chemistry” QSOX enzymes help form protein bonds in cells, especially in tissues with high secretory activity.
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May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
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May 2010 in “Surface and interface analysis” Chemical treatments and UV radiation severely damage the lipid layer on hair.
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May 2024 in “Tissue Barriers” The skin's outer layer relies on lipids and proteins to protect against damage.
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
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June 2018 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Laminin-511 may contribute to psoriasis by affecting skin cell growth and survival.
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October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
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March 2019 in “Experimental Dermatology” A wide range of proteins are integrated into the skin's protective layer.