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January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
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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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August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
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November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
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August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
Thai plant extracts, especially Avicennia marina, can promote hair growth by inhibiting certain enzymes and boosting growth factors.
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July 2015 in “Journal of Molecular Structure” Finasteride crystals are held together by hydrogen bonds and weak interactions, forming synthon pseudopolymorphs.
January 2017 in “Durham e-Theses (Durham University)” Chemical stressors damage hair structure but the skin's outer layer protects living cells.
May 2023 in “Pharmaceuticals” Three specific mutations in the LIPH gene can cause hair loss by damaging the protein's structure and function.
November 2025 in “Journal of Investigative Dermatology” IMG-007 helps regrow hair and reduce scalp inflammation in severe alopecia areata.
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April 2010 in “Journal of Cellular Biochemistry” Certain mutations in the hairless protein disrupt its ability to regulate the hair cycle.
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November 2011 in “European Journal of Dermatology” 4-O-methylhonokiol from Magnolia officinalis significantly promotes hair growth.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
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August 2016 in “International Journal of Cosmetic Science” Shampoo coacervates can cause scalp irritation due to released surfactants.
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November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
January 2016 in “Frontiers in Bioengineering and Biotechnology” A wool hair keratin hydrogel is promising for growing cells and tissue engineering.
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September 2019 in “British Journal of Dermatology” FOL-005 peptide can reduce human hair growth by lowering FGF7 levels.
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September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
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September 2017 in “Journal of Dermatological Science” Hydrogen peroxide in hair dye can cause hair loss.
June 2025 in “Mağallaẗ ʻulūm al-rāfidayn” New pyrazole derivatives may help treat hair loss, but more testing is needed.
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August 2009 in “Skin Research and Technology” OCT can identify hair structures, but chemical treatments can damage them.
October 2025 in “Nephrology Dialysis Transplantation” Hair-straightening products with glyoxylic acid can cause kidney damage.
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December 2016 in “Journal of Evolution of Medical and Dental Sciences” Hemodialysis patients often experience skin issues like dryness and itching, linked to certain blood chemical levels.