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September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
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November 2014 in “PLoS ONE” Hyaluronidase speeds up wound healing and reduces inflammation.
October 2023 in “Journal of Molecular Liquids” A new method using imidazole-based liquids efficiently extracts keratin from yak hair.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” SELP::KP improves hair strength, elasticity, and health, making it a promising hair cosmetic.
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
October 2025 in “Nephrology Dialysis Transplantation” Hair-straightening products with glyoxylic acid can cause kidney damage.
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December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
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January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
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June 1989 in “Steroids” Researchers successfully made new compounds for hormone level tests, but one attempt led to an unexpected product, correcting a past error.
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August 2013 in “Experimental Dermatology” Hairless protein and putrescine regulate each other, affecting hair growth and skin balance.
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
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September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
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January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The hexosamine pathway helps maintain healthy skin by affecting the skin's structure and possibly increasing hair follicle stem cells.
May 2023 in “Pharmaceuticals” Three specific mutations in the LIPH gene can cause hair loss by damaging the protein's structure and function.
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April 2025 in “Advanced Healthcare Materials” Light-activated hyaluronic acid derivatives can enhance skin healing and regeneration.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
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January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
June 2025 in “Academic Medical Journal” High homocysteine levels in lupus may increase inflammation and cardiovascular risk.
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November 2018 in “American journal of human genetics” Mutations in the LSS gene cause a rare type of hereditary hair loss.
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November 1978 in “British journal of dermatology/British journal of dermatology, Supplement” Cyproterone acetate can effectively treat idiopathic hirsutism, but ethinyl oestradiol and lynoestrenol may not always reduce hair growth.
1 citations
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January 1971 in “Acta dermato-venereologica” Mice hair follicles take in the amino acid cystine.
34 citations
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November 1998 in “Journal of Investigative Dermatology” A common mutation in the hHb6 gene is linked to monilethrix, but other factors may also play a role.
2 citations
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December 2008 in “Journal of Chemical Crystallography” The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
12 citations
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December 2003 in “Gene” The ovine Hoxc-13 gene is crucial for hair formation and may have other skin functions.
October 2025 in “Advanced Healthcare Materials” The hydrogels improve wound healing and tissue regeneration better than traditional treatments.
November 2023 in “ACS Applied Polymer Materials” The new method extracts keratin from hair faster and better, and the resulting product improves blood clotting and wound healing, with potential for personalized treatments.
September 1978 in “PubMed” Chondroitin sulphate is more abundant than hyaluronic acid in skin and hair samples, except in gamma-keratosis.
2 citations
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January 1993 Trichohyalin is a versatile protein involved in hair and skin structure.