April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
Sinsun-yukza-hwan extract promotes hair growth in mice.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
January 2011 in “Springer eBooks” Eating a balanced diet with the right vitamins and minerals is important for healthy hair, but too many supplements can be harmful.
Integrin alphavbeta6 is important for wound healing and hair growth, and blocking it may improve these processes.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
March 2024 in “Bioimpacts” 400 nm particles penetrate hair follicles best, but mouse models aren't fully reliable for human studies.
122 citations
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July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
120 citations
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November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
73 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
25 citations
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May 2020 in “Progress in Organic Coatings” Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.
14 citations
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February 2021 in “Experimental Dermatology” Cannabinoid receptor-1 signaling is essential for the survival and growth of human hair follicle stem cells.
14 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
11 citations
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November 2012 in “Seminars in Cutaneous Medicine and Surgery” Genetic factors affect hair loss, and molecular testing may help predict, diagnose, and treat it.
9 citations
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April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
May 2026 in “Frontiers in Pharmacology” Dendrobium officinale polysaccharide helps hair regrowth in hair loss mice by affecting local steroid metabolism and hair follicle responses.
December 2025 in “BMC Medical Genomics” Hair follicles can be used to study gene expression and understand conditions like COPD.
January 2023 in “Book of Abstracts” COVID-19 can cause different types of hair loss, with telogen effluvium being the most common.
21 citations
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March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
191 citations
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September 2011 in “Cell stem cell” Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.
51 citations
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September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
Researchers found a genetic link for hereditary hair loss but need more analysis to identify the exact gene.
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.
271 citations
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March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
48 citations
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May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
44 citations
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March 2016 in “Frontiers in cellular neuroscience” Some natural compounds can protect fish ear cells from damage by certain antibiotics without affecting the antibiotics' ability to fight infections.
42 citations
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January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
32 citations
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April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
31 citations
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April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
28 citations
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July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.