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April 2013 in “PLOS ONE” Ginseng is possibly safe but its effectiveness is unclear due to poor quality studies and mixed results.
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September 2008 in “Journal of the American Academy of Dermatology” Traction alopecia is more common in African women than girls, especially when traction is applied to chemically relaxed hair; avoiding such hairstyles may reduce the risk.
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May 2010 in “European Journal of Cancer” BI 2536 had limited effectiveness against several advanced cancers and caused significant side effects.
92 citations,
August 2017 in “Proceedings of the National Academy of Sciences of the United States of America” Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.
91 citations,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
90 citations,
February 2013 in “The Journal of Clinical Endocrinology and Metabolism” Women with PCOS have more body fat and thicker fat layers in certain abdominal areas than women without PCOS.
90 citations,
August 2002 in “European journal of endocrinology” Metformin improves hair growth and menstrual frequency in women with PCOS and hirsutism.
90 citations,
October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
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August 2008 in “Human genetics” The EDAR gene greatly affects hair thickness in Asian populations.
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December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.
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July 2019 in “International Journal of Molecular Sciences” Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.
88 citations,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
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February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
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August 2018 in “Psychological Medicine” Women with PCOS are more likely to suffer from depression, anxiety, and stress.
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April 2012 in “PLOS ONE” Valproic Acid helps regrow hair in mice and activates a hair growth marker in human cells.
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June 2013 in “Stem Cells Translational Medicine” New methods for skin and nerve regeneration can improve healing and feeling after burns.
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April 2013 in “Applied Microbiology and Biotechnology” Mannosylerythritol lipids are good for skin and hair care products.
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June 2010 in “The Plant Cell” Phospholipase A2 is necessary for the correct placement of PIN proteins in plant roots, affecting root growth.
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July 2008 in “Aaps Pharmscitech” Ethosomes improve finasteride delivery through skin for hair loss treatment.
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March 2004 in “Veterinary Dermatology” Cyclosporin is effective in treating dog skin diseases and has fewer side effects compared to other treatments.
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July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
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January 1990 in “Journal of The American Academy of Dermatology” Skin grafting can help repigment vitiligo, but it's less effective for widespread cases due to the Koebner phenomenon.
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April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
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August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
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August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
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July 2011 in “Lasers in Medical Science” The Lexington LaserComb helped regrow hair in mice with a condition similar to human hair loss.
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March 2009 in “Seminars in Cutaneous Medicine and Surgery” Effective hair loss treatment in women requires correct diagnosis and can include medications like minoxidil, antiandrogens, and treatments for underlying conditions like PCOS.
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December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
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January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.