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August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
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January 2022 in “Scientific Reports” Acanthus ebracteatus Vahl. extract and verbascoside may help prevent hair loss and promote hair growth due to their anti-inflammatory properties and ability to protect against cell death.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
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January 2019 in “Annals of Dermatology” Bilobetin may help reduce acne by decreasing sebum production.
17 citations
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September 2016 in “Stem cells translational medicine” Using bioreactors, scientists can grow more skin stem cells that keep their ability to regenerate skin and hair.
Wheat bran promotes hair growth by helping hair cells multiply.
27 citations
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January 2015 in “International Journal of Trichology” The supplement helps improve hair growth and reduce hair shedding.
December 2022 in “Scientific Reports” Compound 4 is a promising treatment for hair loss with low toxicity.
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March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
January 2026 in “Journal of Materials Chemistry B” A special solvent helps hydroxytyrosol penetrate skin better, promoting hair growth.
October 2020 in “The American journal of gastroenterology” Para-aminobenzoic acid in hair supplements can cause autoimmune hepatitis.
6 citations
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November 2019 in “Journal of Cosmetic Dermatology” The compound improved hair growth and reduced hair loss.
September 2017 in “Journal of Investigative Dermatology” HIF-1A may aid hair growth, Backhousia citriodora improves skin, autologous cells stabilize hair loss, infrared thermography assesses alopecia, and a new treatment preserves hair.
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September 2021 in “Bulletin of the Korean Chemical Society” Dimeric peptide derivatives could help hair growth and treat hair loss safely.
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January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
November 2025 in “Phytomedicine” L-rhamnose may promote hair growth by boosting energy production in cells.
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March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoic acid production and signaling in hair follicles are regulated by location and timing, affecting hair growth and cycling.
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January 1996 Cysteine and arginine are essential for hair growth and thickness.
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July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
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November 2024 in “Biotechnology for Sustainable Materials” Keratin-based biomaterials are promising for wound healing, drug delivery, and nerve regeneration due to their biodegradability and biocompatibility.
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January 2006 in “Skin pharmacology and physiology” Procyanidin compounds from apples and barley promote hair growth and prevent hair cell death.
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April 2019 in “Scientific Reports” A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.
December 2022 in “Communications biology” 26 citations
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July 2006 in “International Journal of Cosmetic Science” Taurine helps protect and promote hair growth.
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March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
June 1996 in “Journal of Dermatological Science”
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February 2018 in “Journal of Investigative Dermatology” The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
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April 2020 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” Taking Bioactive Collagen Peptides increases hair thickness.