113 citations
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November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
92 citations
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June 2005 in “Journal of Investigative Dermatology” All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.
91 citations
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August 2015 in “Anais Brasileiros De Dermatologia” Female Pattern Hair Loss affects women's self-esteem and needs more research for better treatment.
91 citations
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April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
87 citations
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April 2018 in “Biochemical and Biophysical Research Communications” Exosomes from dermal papilla cells can help grow hair and might treat hair loss.
82 citations
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May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
82 citations
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April 1981 in “Clinical endocrinology” A girl with rickets and hair loss was found to have a rare condition where her body didn't respond to vitamin D treatment.
72 citations
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October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
66 citations
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January 2000 in “Hormone Research in Paediatrics” Androgens can both promote and prevent hair growth due to differences in gene expression in hair follicles.
61 citations
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June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
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.
41 citations
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September 2011 in “Journal of Ethnopharmacology” Panax ginseng extract helps mice grow hair.
41 citations
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January 2007 in “Journal of Korean Medical Science” Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.
39 citations
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December 2011 in “PLoS ONE” Radiofrequency exposure can stimulate hair growth by increasing IGF-1 in hair follicle cells.
38 citations
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January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
37 citations
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October 2009 in “Dermatology” Minoxidil stimulates hair growth by increasing hair thickness and prolonging growth phase.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
30 citations
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February 2017 in “Histochemistry and Cell Biology” TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.
25 citations
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August 2016 in “Journal of Cosmetic Dermatology” The marine complex supplement significantly improved hair growth in men with thinning hair without adverse effects.
24 citations
,
January 2020 in “International Journal of Molecular Sciences” Some plants with flavonoids may help treat hair loss and promote hair growth.
23 citations
,
January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride helps hair growth by decreasing cell death in hair follicles.
22 citations
,
January 2014 in “Biological & Pharmaceutical Bulletin” Ginsenoside F2 may help prevent hair loss and promote hair growth better than finasteride.
21 citations
,
October 2013 in “Molecular Biology of the Cell” The protein CCN2 controls hair growth by affecting hair follicle formation and stem cell activity in mice.
21 citations
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February 2009 in “Journal of the American Academy of Dermatology” Some cases of tinea capitis, a fungal scalp infection, can look like scarring hair loss due to the body's immune response and the fungus itself.
21 citations
,
January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
20 citations
,
December 2003 in “Journal of Cosmetic and Laser Therapy” An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.
19 citations
,
December 2018 in “Experimental and Molecular Medicine” Small molecule IM boosts hair growth by changing stem cell metabolism.
19 citations
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July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.