COVID-19 might cause gray hair to regain color.
May 2023 in “Health science reports” Coloring shampoos for gray hair may cause gene mutation, reproductive issues, and skin damage, needing stricter regulation and expert consultation.
November 2022 in “Skin Appendage Disorders” PT-20 did not significantly improve gray hair repigmentation.
January 2021 in “Advances in health sciences research/Advances in Health Sciences Research” Two siblings with gray patch tinea capitis were successfully treated after identifying risk factors.
June 2018 in “The Journal of Sexual Medicine” Gray-scale ultrasound effectively detects erectile tissue fibrosis in young men with erectile dysfunction after using finasteride.
August 2012 in “Fertility and Sterility” Premature gray hair may indicate reduced ovarian reserve but doesn't lower pregnancy chances.
January 2004 in “Linchuang pifuke zazhi” Black hairs have more pigment-related genes, while gray hairs have more keratin-related genes.
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.
May 2025 in “International Journal Of Science Technology & Management” The pomade business is viable with a 1.24 R/C Ratio.
February 2024 in “Genes to Cells” Losing molars in young mice causes premature gray hair between the eyebrows.
May 2023 in “Authorea (Authorea)” Levofloxacin may cause skin discoloration and hair loss as side effects.
September 1941 in “The Science News-Letter”
13 citations
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January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
7 citations
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July 2020 in “Pigment cell & melanoma research” RT1640 treatment reverses gray hair and promotes hair growth in mice.
December 2024 in “PLoS ONE” Alopecia in gray bats is most common and severe during lactation, likely due to stress and nutrition.
Acitretin treatment unexpectedly darkened a patient's gray hair.
February 1945 in “New England Journal of Medicine” March 1942 in “The Science News-Letter” 4 citations
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September 1944 in “The American Journal of the Medical Sciences” 2 citations
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January 2012 in “Zhongguo nongye Kexue” EGF helps secondary hair follicles grow in young gray goats.
October 2010 in “International journal of radiation oncology, biology, physics” Two cycles of ABVD chemotherapy followed by 20 Gy radiotherapy is the new standard for early-stage Hodgkin lymphoma due to lower toxicity and similar effectiveness.
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.
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.
175 citations
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November 2009 in “PLOS ONE” Women look young for their age due to larger lips, less sun damage, and genes that prevent gray hair and wrinkles.
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.
114 citations
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February 2012 in “International Journal of Dermatology” Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.
75 citations
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January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
70 citations
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March 2008 in “Mechanisms of Ageing and Development” Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.
69 citations
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January 2005 in “The Journals of Gerontology Series A” Short telomeres may cause symptoms like hair loss and osteoporosis, offering insights into aging.
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.