48 citations
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April 2008 in “Human Molecular Genetics” Progerin affects cell shape but not hair or skin in mice.
10 citations
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April 2007 in “PubMed” Coordinated gene activities are crucial for normal hair growth.
22 citations
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October 2019 in “International Journal of Nanomedicine” The nanoparticles improved hair growth and enlarged hair bulbs.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
October 2019 in “UNESP Institutional Repository (São Paulo State University)” Minoxidil is more effective than biotin for increasing nail growth rate.
January 2020 in “프로그램북(구 초록집)” The treatment increased hair growth and thickness in patients with hair loss.
138 citations
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December 1976 in “Journal of Biological Chemistry” The enzyme from human skin can cross-link proteins and needs calcium to work.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
309 citations
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October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.
28 citations
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December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
18 citations
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January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
71 citations
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January 2016 in “International Journal of Trichology” Biotin deficiency is not a major cause of hair loss in women, so biotin supplements are not likely to be an effective hair loss treatment.
4 citations
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August 2017 in “Cosmetics” The extract reduced sebum production and promoted hair growth.
1 citations
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September 2022 in “Journal of dermatological science” Certain vitamins and their derivatives can help hair grow longer by activating specific growth signals.
8 citations
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
12 citations
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September 1982 in “Journal of Investigative Dermatology” 133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
4 citations
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January 2004 DanGuiBoHyulTangGami-Bang helps hair growth but doesn't extend the growth period or affect hair follicle cells significantly.
July 2024 in “Journal of Investigative Dermatology” Propolis extract can promote hair growth and increase keratin production.
10 citations
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January 1989 in “Archives of Dermatological Research” The method effectively analyzes human hair proteins, especially nonfilamentous ones.
Alpha-ketoglutaric acid may help treat aging and age-related diseases.
52 citations
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February 1986 in “Journal of Histochemistry & Cytochemistry” Some hair proteins are specific to hair, while others are also found in skin cells.
73 citations
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October 2001 in “Epilepsia” Children taking higher doses of valproic acid had lower biotinidase activity, which may lead to biotin deficiency, but biotin supplements could help.
9 citations
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January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
1 citations
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January 2020 in “Дерматологія та венерологія” Natubiotin is effective for treating different hair loss conditions when used with other therapies.
44 citations
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July 1993 in “Journal of Investigative Dermatology” January 2002 in “Academic Journal of Kunming Medical College” Human-hair keratin artificial tendons are biocompatible and degrade well in rabbits.