February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
August 2012 in “Fertility and Sterility” Premature gray hair may indicate reduced ovarian reserve but doesn't lower pregnancy chances.
April 2026 in “Cosmetics” The shampoo effectively covers gray hair gradually and maintains color after multiple washes.
April 2026 in “International Journal of Dermatology” November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
May 2025 in “International Journal Of Science Technology & Management” The pomade business is viable with a 1.24 R/C Ratio.
September 1941 in “The Science News-Letter” 56 citations
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July 2001 in “International Journal of Clinical Pharmacology and Therapeutics” People obsessed with looking young may need therapy to address deeper issues.
Acitretin treatment unexpectedly darkened a patient's gray hair.
February 1945 in “New England Journal of Medicine” 2 citations
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January 2012 in “Zhongguo nongye Kexue” EGF helps secondary hair follicles grow in young gray goats.
March 1942 in “The Science News-Letter”
1 citations
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January 2021 in “Pakistan journal of zoology” Red fox, golden jackal, and gray wolf hairs have similar features but differ in length, thickness, and inner structure.
4 citations
,
September 1944 in “The American Journal of the Medical Sciences”
260 citations
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June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
210 citations
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May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
152 citations
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December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
75 citations
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
63 citations
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February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
56 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
47 citations
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January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
46 citations
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April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
31 citations
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April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
30 citations
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April 2013 in “Journal of Investigative Dermatology” Radiation mainly affects keratinocyte stem cells, not melanocyte stem cells, causing hair to gray.
20 citations
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January 2015 in “Current problems in dermatology” Graying hair happens due to aging and might be delayed by new treatments.
16 citations
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January 2018 in “International journal of trichology” Genetics and nutritional deficiencies are key factors in premature graying of hair.
11 citations
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May 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.
10 citations
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May 2021 in “Clinical, cosmetic and investigational dermatology” UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.
9 citations
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November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
7 citations
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January 2018 in “Asian journal of pharmaceutical research” The polyherbal hair oil effectively treats various hair problems.