3 citations
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June 2017 in “Journal of Biomaterials Applications” This study demonstrated that keratin extract can stimulate hair growth by inducing the anagen phase in telogenic mice.
July 2026 in “Berkala Ilmu Kesehatan Kulit dan Kelamin” This study found that serum containing keratin extract from chicken feathers combined with Aloe vera showed promising effectiveness for anti-hair loss treatment, with certain combinations outperforming the positive control in measures of hair strength and growth in rabbits.
August 2023 in “Journal of Student Research” This study found that incorporating keratin extracted from hair into NBR modestly enhanced the mechanical properties and biodegradability of the rubber.
December 2023 in “ACS Sustainable Chemistry & Engineering” Keratin can be successfully taken from human hair using a mix of choline chloride and ethanolamine.
This review discusses fractionated reirradiation as a potential treatment for recurrent brain tumors in children and highlights ongoing challenges with managing craniospinal dissemination; it provides no new clinical results.
36 citations
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December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
July 2024 in “Journal of Investigative Dermatology” Propolis extract can promote hair growth and increase keratin production.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” In this study, researchers extracted soluble keratin proteins from chicken feathers and found they maintain structural integrity with potential uses for damaged skin, exhibiting no irritative effects in ex vivo settings on hen's eggs.
December 2022 in “Deleted Journal” In this study, topical application of keratin extract from wool promoted hair growth in mice by reducing the time for initiation and completion of growth phases and improving hair quality.
January 2026 in “Biomaterials and Biosystems” This study extracted water-soluble keratin particles from chicken feathers and verified their structural properties, observing no irritative potential on hen's eggs and positive physiological effects on human skin cells, suggesting their suitability for use on damaged or irritated skin.
22 citations
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August 2015 in “PloS one” This study found that the binding and release of BMP-2 from kerateine biomaterials are significantly influenced by pH and salt concentration, highlighting the potential for developing improved bone repair systems.
1 citations
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January 2019 in “Studia Biologica” This review discusses the properties and extraction methods of keratins from natural fibers and highlights their promising applications in fields such as biomedicine, bioengineering, and forensic science, but reports no new experimental results.
November 2023 in “ACS Applied Polymer Materials” In this study, the researchers developed a new method using H2O2/TiO2/UV for extracting human hair keratins rapidly, yielding higher protein and enabling the production of keratin films with better hemostatic performance and varied wound-healing properties compared to films from traditionally extracted keratin.
October 2023 in “Journal of Molecular Liquids” This study demonstrated that imidazole-based ionic liquids, particularly [Emim]DEP, effectively dissolved yak hair keratin, maintaining its structure better than other tested solvents, and also performed well on human hair and goat wool, with consistent performance even after five recycling cycles.
January 2026 in “International Journal of Biological Macromolecules” This study used a new multimolecular spectral method to uncover structural differences in hair keratin from individuals with androgenetic alopecia compared to healthy individuals, identifying potential biomarkers and providing insights for developing new treatments.
January 2025 in “International Journal of Molecular Biology and Biochemistry” In this study, researchers found that the Shindai method effectively extracts keratin from human hair, with female hair yielding more keratin than male hair. The extracted keratin showed high absorption with UV spectrometry and was confirmed as α-keratin through SDS-PAGE analysis.
2 citations
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September 2020 in “Biomedical materials” This study found that recombinant human hair keratin proteins K31 and K81 show greater potential for inducing skin cell differentiation compared to natural keratin coatings.
August 2024 in “Advanced Healthcare Materials” In this study, water-soluble recombinant keratins, specifically RK81, were developed and used in microneedles to investigate their effect on hair growth, discovering that more than 40% of the hair follicles responded, demonstrating the potential for hair growth promotion.
This Ph.D. project aims to evaluate the self-assembling potential of hair keratin extracts and study the cellular response to both crude and purified keratins, highlighting their potential applications from biomedical to water remediation.
February 1999 in “The anatomical record” This study observed defects in hair cuticle cross-linking in some, but not all, mouse mutants with sparse or structurally unsound hair.
18 citations
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April 2018 in “Biotechniques/BioTechniques” This study developed a method for extracting proteins from micro-sized human head hairs, facilitating proteomic analysis even with limited hair sample availability.
9 citations
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April 2019 in “Molecules” This study found that a blackcurrant extract with phytoestrogen activity increased hair number and stem cell marker expression in a menopausal rat model, suggesting a potential benefit for hair loss.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study describes the development of a polyherbal hair growth serum using rosemary and fenugreek extracts, which demonstrated stable physicochemical properties, suggesting its potential as a cosmeceutical product for managing hair loss and promoting scalp health.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study describes developing a polyherbal hair growth serum with rosemary and fenugreek extracts, which met physicochemical standards and may serve as a stable and compatible option for managing hair loss and promoting scalp health.
March 2026 in “International Journal of Molecular Sciences” This study found that Grateloupia angusta extract improved wound healing by promoting matrix production and pro-angiogenic activity in cell cultures and enhanced early wound repair in a mouse skin incision model.
March 2019 in “The International Journal of Advanced Smart Convergence” This study found that topical radish saponin significantly increased hair density and follicle formation in nude mice predisposed to pattern balding.
June 2025 in “Rapid Communications in Mass Spectrometry” In this study, researchers developed a simplified and reliable method to prepare human hair shaft samples, achieving over 75% protein extraction efficiency and improved keratin sequence coverage, with the approach showing high reproducibility across different labs and operators.
May 2025 in “Journal of Extracellular Vesicles” This study found that extracellular vesicles from erythrocytes may promote hair regeneration in patients with androgenic alopecia by transferring components that upregulate Wnt/β-catenin signaling and are involved in the formation of the skin's outer barrier.
5 citations
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February 2022 in “Seminars in cell & developmental biology” This review discusses the complexities of hidradenitis suppurativa pathogenesis, highlighting issues with Notch signaling, immune dysregulation, and the role of keratinocytes and ECM, but reports no new clinical results.
6 citations
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January 2005 in “PubMed” This study found that treating hair with a 1% cotton honeydew extract improves smoothness and reduces chipping compared to untreated hair, confirmed by clinical and SEM evaluations.