October 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” The nanoparticles effectively deliver herbal extract to enhance hair growth.
July 2013 in “Hair transplant forum international” Whey protein shakes have not been proven to increase hair growth.
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January 1984 in “Molecular and Cellular Biochemistry” 
1 citations
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
34 citations
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April 2012 in “Molecular Biology Reports” The enzyme from Bacillus cereus can be used in detergents and leather processing.
December 2022 in “Research journal of topical and cosmetic sciences” TRICHONEM™ hair wash powder effectively treats dandruff and promotes hair growth.
November 2024 in “Journal of Clinical Medicine” The treatment improved hair thickness, shine, and reduced hair loss effectively.
July 2026 in “Marine Drugs” Fish collagen peptide may promote hair regrowth.
June 2025 in “Materials Today Bio” A silk fibroin hydrogel boosts wound healing and hair growth by increasing collagen and hair follicles.
1 citations
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October 2023 in “PROTOPLASMA” 8 citations
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August 1987 in “The Journal of Dermatology” BKN-1 antibody targets specific keratin in basal cell epithelioma and normal skin basal cells.
October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
May 2026 in “Fibers and Polymers” January 2025 in “SSRN Electronic Journal” 
September 2025 in “Animals” Key proteins and pathways are crucial for wool fineness, but more research is needed.
December 2025 in “Advanced Healthcare Materials” The composite helps hair growth and scalp healing by reducing stress and inflammation.
Hair follicle-derived sheets can effectively treat vitiligo by repigmenting skin.
1 citations
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July 2019 in “Farmatsevtychnyĭ zhurnal” The optimal gel-mask for hair loss contains 15% nettle juice, 0.5% carbopol ultrez 10 and sodium alginate, 0.1% potassium sorbate, and 0.4% PEG-40 hydrogenated castor oil.
4 citations
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October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
24 citations
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October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
The hydrogels show promise for targeted cervical cancer treatment but need more testing.
2 citations
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November 2024 in “ACS Omega” Snail secretion-loaded dressings can improve skin regeneration and wound healing.
3 citations
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January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
48 citations
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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.
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January 2007 in “International journal of pharmaceutics” Papain cream removes hair better than papain gel, causing hair follicles to widen and skin to thicken.
January 2003 in “Jiepouxue zazhi” HHK can help restore skin structure.
November 2023 in “International Journal of Biological Macromolecules” The gelatin-based hydrogel helps heal acute and diabetic wounds faster by improving healing conditions.
July 2026 in “Frontiers in Bioengineering and Biotechnology” Echinacea-functionalized membranes improve wound healing and hair growth while preventing infections.
July 2024 in “Journal of Investigative Dermatology” A peptide in shampoo can promote hair growth and improve hair condition.