2 citations
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January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
2 citations
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March 2020 in “Developmental cell” Stress can cause hair to turn gray by depleting pigment-producing cells through the release of a stress hormone.
1 citations
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February 2025 in “Journal of Anatomy” Gray short-tailed opossums' skin shifts from helping with breathing to regulating body temperature as they grow.
1 citations
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June 2023 in “Skin Research and Technology” Hair-coating shampoos dye better initially, but hair-oxidation shampoos keep color longer and may damage hair more.
1 citations
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June 1942 in “JAMA” Middle-aged men are usually either bald or gray, not both.
June 2025 in “Clinical Cosmetic and Investigational Dermatology” Gray hair can potentially be managed or reversed with treatments that boost melanin production and address nutritional deficiencies.
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.
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.