January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
August 2025 in “Journal of Industrial and Engineering Chemistry” A new topical finasteride formulation effectively promotes hair growth with fewer side effects.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
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January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
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February 2004 in “Journal of Investigative Dermatology” MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.
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October 1998 in “PubMed” Antifungal treatment can improve severe skin infections with cutaneous horns.
April 2026 in “Lithuanian University of Health Sciences” Cinnamic acid in hydrogels can effectively fight fungi but spreads less than in solution.
May 2026 in “Advanced Materials Interfaces” The new coating protects and strengthens hair while improving its properties.
33 citations
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October 2012 in “Journal of Morphology” Reptile skin hardens by layering beta-proteins on keratin.
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September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
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May 2011 in “Journal of Investigative Dermatology” TCHHL1 is a protein important for hair growth, found in hair follicles.
April 2016 in “한국고분자학회 학술대회 연구논문 초록집” 1 citations
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January 2014 in “Medical Entomology and Zoology”
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May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
January 2025 in “International Journal of Molecular Biology and Biochemistry” The Shindai method effectively extracts keratin from human hair, with potential uses in bioplastics and biofertilizers.
The trichohyalin gene is located at chromosomal region 1q21 with other skin-related protein genes.
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June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
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September 1990 in “The Anatomical Record” Human anagen hair follicles have unique carbohydrate patterns during keratinization.
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
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September 2012 in “Cell & tissue research/Cell and tissue research” pCLCA2 protein may help maintain skin structure and function.
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September 2013 in “Bioscience Biotechnology and Biochemistry” Type II porcine hair keratin supports cell growth but hinders cell differentiation.
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February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
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February 2015 in “Cell Death and Disease” Inhibiting AP1 in mice skin causes structural changes and weakens the skin barrier.
47 citations
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January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
44 citations
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March 2019 in “Experimental Dermatology” A wide range of proteins are integrated into the skin's protective layer.
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September 2010 in “Journal of Biological Chemistry” Keratin K80 is an ancient protein found in various tissues, important for cell structure and tissue differentiation.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.