June 2025 in “BMJ Case Reports” Axitinib treatment turned a man's grey hair back to black.
January 2022 in “Springer eBooks” January 2010 in “Springer eBooks” 12 citations
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November 2004 in “Photochemistry and Photobiology” Superoxide dismutase (SOD) can prevent hair graying in mice.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
81 citations
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May 1986 in “Journal of Investigative Dermatology” 2 citations
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January 1990 November 2025 in “Journal of Cosmetic Dermatology” Exosome therapy can safely and effectively restore color to gray hair.
1 citations
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February 1989 in “PubMed” Electrophoresis can effectively analyze hair proteins for forensic use, even after cosmetic treatments and up to 2 years of weathering.
Hair turning darker can be a sign of skin cancer.
July 2025 in “Journal of Cosmetic Dermatology” The model shows how heat damages hair, helping test hair care products.
Acitretin treatment unexpectedly darkened a patient's gray hair.
77 citations
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August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
March 2024 in “Jurnal Tata Rias” Ginger hair tonic can reduce hair loss and improve hair quality.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
9 citations
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June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
5 citations
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August 2012 in “Archives of Dermatology” The immune system can cause permanent skin and hair whitening by attacking pigment cells.
Prussian Blue causes hair cuticles to detach, weakening the hair.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
November 2013 in “Institutional Repositories DataBase (IRDB)” Gamma-ray exposure during hair rest phase harms hair growth and color in mice.
July 2018 in “Elsevier eBooks” Some drugs can cause reversible hair loss, but certain chemotherapy drugs may lead to permanent hair loss; drugs can also change hair color and texture.
47 citations
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January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
11 citations
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January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
25 citations
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December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.