January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
1 citations
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January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
24 citations
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October 2008 in “PubMed” Excessive sun exposure damages hair, causing protein loss and color changes.
49 citations
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April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
10 citations
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January 1994 Hair can be straightened using different chemicals, not just strong alkali.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
46 citations
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April 2014 in “PLOS ONE” Gray hair may be caused by lower antioxidant activity in hair cells.
November 2010 in “SciVee”
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
December 2025 in “ILDS-DEV”
April 2024 in “Nepal journal of dermatology, venereology & leprology” Premature graying of hair is common and stressful, but not well understood or treated.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
December 2023 in “Asian journal of beauty & cosmetology” July 2022 in “Zenodo (CERN European Organization for Nuclear Research)” June 2022 in “Zenodo (CERN European Organization for Nuclear Research)”
4 citations
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January 2016 in “Dermatology online journal” Using bacitracin zinc and selenium sulfide one after the other can temporarily turn white hair yellow.
40 citations
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February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
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.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
15 citations
,
November 2017 in “JAAD Case Reports” Brentuximab may cause hair to regain color.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
4 citations
,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
90 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair can naturally regain color, and stress might influence greying and its reversal.
2 citations
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January 2022 1 citations
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January 2020 A new method was developed to gently isolate hair pigment while keeping its structure intact.