1 citations,
January 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,
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,
October 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
12 citations,
June 2018 in “JAAD Case Reports” A man's gray hair got darker and thicker after using a psoriasis drug.
16 citations,
June 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Low levels of vitamin B12 and ferritin are linked to early hair graying.
16 citations,
October 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.
9 citations,
July 2016 in “The Journal of Dermatology” An 82-year-old man's white hair regained color after taking etretinate for psoriasis.
242 citations,
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,
November 2013 in “Clinical and experimental dermatology” Acitretin therapy may cause hair to repigment and curl.
61 citations,
July 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.
11 citations,
June 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.
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.
9 citations,
December 2011 in “Journal of The European Academy of Dermatology and Venereology” Latanoprost therapy potentially caused a woman's white hair to darken again.
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,
November 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.
20 citations,
January 2011 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,
November 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,
February 2007 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,
May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
80 citations,
April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
