1 citations
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November 2022 in “International journal of trichology” A woman's premature gray hair turned mostly black again after using Greyverse solution and hair supplements for 5 months.
7 citations
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April 2021 in “Cannabis” CBD-rich hemp oil can significantly increase hair regrowth in people with common hair loss, with no reported side effects.
12 citations
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September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations
,
May 2018 in “JAAD Case Reports” A man's gray hair got darker and thicker after using a psoriasis drug.
16 citations
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January 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
9 citations
,
July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.
16 citations
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July 2016 in “Journal of Dermatological Science” Regenerated hairs can regain their color if the wound occurs during a certain stage of hair growth, and this process is helped by specific skin cells and proteins.
242 citations
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February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
17 citations
,
January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
46 citations
,
April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
17 citations
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November 2013 in “Clinical and experimental dermatology” Acitretin therapy may cause hair to repigment and curl.
11 citations
,
May 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.
61 citations
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April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
25 citations
,
March 2012 in “Journal of oncology pharmacy practice” An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.
40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
36 citations
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September 2011 in “British Journal of Dermatology” White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.
9 citations
,
December 2010 in “Journal of The European Academy of Dermatology and Venereology” Latanoprost therapy potentially caused a woman's white hair to darken again.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
126 citations
,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
33 citations
,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
76 citations
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December 2006 in “Journal of Dermatological Science” Japanese women typically start experiencing hair loss after 40, with reduced hair density and thickness being the main factors.
210 citations
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May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
80 citations
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April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.