January 2025 in “International Journal of Advanced Biochemistry Research” Alpha linolenic acid and linoleic acid help treat inflammatory skin conditions in dogs.
August 2013 in “日本医療薬学会年会講演要旨集” Hair contains complex lipids, including cholesterol and fatty acids, similar to skin.
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October 2007 in “Archives of Dermatological Research” 66 citations
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June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
23 citations
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April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
July 2022 in “Journal of Investigative Dermatology” Cyclohexyl salicylate promotes human hair growth and increases certain hair follicle stem cell progeny.
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January 2014 in “Medical Entomology and Zoology” 6 citations
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January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
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December 2005 in “Journal of Medicinal Chemistry” A brominated phenoxy compound effectively inhibits a human enzyme and shows potential for clinical use.
1 citations
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January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
30 citations
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September 2000 in “Journal of Dermatological Science” Fatty acid composition in human skin, mouth, and hair cells varies with keratinization, and cultured cells show essential fatty acid deficiency.
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January 2011 in “Biochemistry Research International” Hard α-keratin has a universal molecular structure with a specific superlattice arrangement.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” Hair relaxers are linked to reduced cystine levels and potential hair damage.
21 citations
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October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
January 2017 in “Journal of Chemical Biological and Physical Sciences” Human hair keratin genes have unique simple sequence repeats that may help track genetic variations.
22 citations
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January 2001 in “Chemical & Pharmaceutical Bulletin” Some new progesterone derivatives are better at blocking testosterone conversion than a common drug.
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May 2011 in “Bioorganic & Medicinal Chemistry” Changing the 6-position on benzopyran molecules affects insulin release, with some compounds showing strong inhibitory effects.
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April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
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October 2020 in “Environmental health perspectives” Five preservatives may disrupt hormone function and need more health and environmental risk assessment.
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
November 2021 in “Pharmaceutical Sciences” New compounds were made and tested, with compound 6 showing potential for treating prostate-related diseases.
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
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July 2019 in “Scientific reports” Surface and internal treatments can help prevent hair lipid loss during washing.
December 2023 in “Journal of molecular structure” Hair treatments and dehydration affect hair's lipid and protein behavior, influencing its flexibility and appearance.
76 citations
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December 2011 in “Journal of Cell Science” Different keratin types have unique amino acid patterns that are evolutionarily conserved.
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
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January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”