January 2020 in “Medpulse International Journal of General Medicine” Trichoscopy helps diagnose and monitor hair loss, showing different signs at various stages of hair thinning.
4 citations
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
3 citations
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September 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Keratin 75 is important for fast wound healing and works with SOX2 and the LINC complex to help skin cells move and repair damage.
RNase L hinders hair follicle regeneration by altering immune signals.
85 citations
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January 1990 January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
1 citations
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July 2021 in “IntechOpen eBooks” Environmental factors can cause mutations in skin proteins, leading to skin disorders.
5 citations
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October 2014 in “Journal of cosmetic and laser therapy” Combining physical dermabrasion with chemical peeling is more effective for skin treatment than chemical peeling alone.
May 2004 in “International Journal of Cosmetic Science” Melanogenesis inhibitors like kojic acid and niacinamide can reduce inflammation and pigment production in skin cells.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
1 citations
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October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
22 citations
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October 1996 in “Dermatologic clinics” Understanding intermediate filaments helps explain hair health and related diseases.
27 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
April 2023 in “Journal of Investigative Dermatology” CD8+ T cells attack hair follicle stem cells, causing scarring and hair loss.
356 citations
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December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
November 2025 in “Journal of Investigative Dermatology” 13 citations
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November 1959 in “Annals of the New York Academy of Sciences”
32 citations
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April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
April 2009 in “The FASEB Journal” Keratin biomaterials from human hair help nerve regeneration by activating Schwann cells.
38 citations
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July 1993 in “Journal of Investigative Dermatology” December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
February 2026 in “Trials” The Exfoliate-Dissolve-Repair skincare approach may effectively treat keratosis pilaris and reduce the need for corticosteroids.
11 citations
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January 2015 in “JOURNAL OF HEALTH SCIENCE” A 12-year-old boy's rare skin condition improved with topical treatments and may resolve by puberty.
16 citations
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June 1992 in “Journal of Investigative Dermatology” A new hydrogel made from human hair keratin can help regenerate skin and fight bacteria.
5 citations
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November 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Wnt/β-catenin signaling is important for keeping skin cell attachment structures stable.
30 citations
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
17 citations
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.