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.
October 2024 in “UNESP Institutional Repository (São Paulo State University)” Straightening and dyeing damage hair structure.
5 citations
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June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
72 citations
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July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
1 citations
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December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.